Finding the Fourth Proportional to 378,354.97, 567,001.36 and 207,136.52
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Solution
The fourth proportional to 378,354.97, 567,001.36 and 207,136.52 is: 310,414.02
Step by Step Solution
- Step 1: Write the proportion equation
378,354.97 : 567,001.36 = 207,136.52 : x - Step 2: Convert to fraction form
378,354.97/567,001.36 = 207,136.52/x - Step 3: Cross multiply
378,354.97x = 567,001.36 × 207,136.52 - Step 4: Simplify right side
378,354.97x = 117,446,688,545.67 - Step 5: Solve for x
x = 117,446,688,545.67/378,354.97 - Step 6: Final answer
x = 310,414.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.