Finding the Fourth Proportional to 424,471.98, 636,553.89 and 232,489.02
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Solution
The fourth proportional to 424,471.98, 636,553.89 and 232,489.02 is: 348,649.14
Step by Step Solution
- Step 1: Write the proportion equation
424,471.98 : 636,553.89 = 232,489.02 : x - Step 2: Convert to fraction form
424,471.98/636,553.89 = 232,489.02/x - Step 3: Cross multiply
424,471.98x = 636,553.89 × 232,489.02 - Step 4: Simplify right side
424,471.98x = 147,991,790,063.29 - Step 5: Solve for x
x = 147,991,790,063.29/424,471.98 - Step 6: Final answer
x = 348,649.14
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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.