Finding the Fourth Proportional to 486,966.70, 730,104.45 and 220,854.70
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Solution
The fourth proportional to 486,966.70, 730,104.45 and 220,854.70 is: 331,125.31
Step by Step Solution
- Step 1: Write the proportion equation
486,966.70 : 730,104.45 = 220,854.70 : x - Step 2: Convert to fraction form
486,966.70/730,104.45 = 220,854.70/x - Step 3: Cross multiply
486,966.70x = 730,104.45 × 220,854.70 - Step 4: Simplify right side
486,966.70x = 161,246,999,273.42 - Step 5: Solve for x
x = 161,246,999,273.42/486,966.70 - Step 6: Final answer
x = 331,125.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.