Finding the Fourth Proportional to 391,963.54, 587,755.02 and 229,901.71
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Solution
The fourth proportional to 391,963.54, 587,755.02 and 229,901.71 is: 344,740.95
Step by Step Solution
- Step 1: Write the proportion equation
391,963.54 : 587,755.02 = 229,901.71 : x - Step 2: Convert to fraction form
391,963.54/587,755.02 = 229,901.71/x - Step 3: Cross multiply
391,963.54x = 587,755.02 × 229,901.71 - Step 4: Simplify right side
391,963.54x = 135,125,884,159.08 - Step 5: Solve for x
x = 135,125,884,159.08/391,963.54 - Step 6: Final answer
x = 344,740.95
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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.