A power ratio is a method used by media companies to measure revenue performance compared to the audience share it controls. In order to use the power ratio, a company must know three numbers: the total market revenue, the company's revenue, and the audience share. The goal for media companies is to receive a high score in this ratio.

A power ratio often is used to compare the performance of different media forms against similar competitors. A high power ratio means that more revenue is received per thousand visitors or participants within a given medium. Power ratios are used both by media firms to evaluate performance and occasionally by large media corporations who seek to buy out smaller media outlets.

This question was answered by Richard C. Wilson.

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