Finding the Fourth Proportional to 498,946.62, 688,544.82 and 272,593.74
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Solution
The fourth proportional to 498,946.62, 688,544.82 and 272,593.74 is: 376,178.53
Step by Step Solution
- Step 1: Write the proportion equation
498,946.62 : 688,544.82 = 272,593.74 : x - Step 2: Convert to fraction form
498,946.62/688,544.82 = 272,593.74/x - Step 3: Cross multiply
498,946.62x = 688,544.82 × 272,593.74 - Step 4: Simplify right side
498,946.62x = 187,693,007,641.43 - Step 5: Solve for x
x = 187,693,007,641.43/498,946.62 - Step 6: Final answer
x = 376,178.53
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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.