Finding the Fourth Proportional to 557,451.23, 769,266.42 and 302,801.81
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Solution
The fourth proportional to 557,451.23, 769,266.42 and 302,801.81 is: 417,857.66
Step by Step Solution
- Step 1: Write the proportion equation
557,451.23 : 769,266.42 = 302,801.81 : x - Step 2: Convert to fraction form
557,451.23/769,266.42 = 302,801.81/x - Step 3: Cross multiply
557,451.23x = 769,266.42 × 302,801.81 - Step 4: Simplify right side
557,451.23x = 232,935,264,348.22 - Step 5: Solve for x
x = 232,935,264,348.22/557,451.23 - Step 6: Final answer
x = 417,857.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.