Finding the Fourth Proportional to 391,753.23, 587,629.98 and 107,446.74
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Solution
The fourth proportional to 391,753.23, 587,629.98 and 107,446.74 is: 161,170.15
Step by Step Solution
- Step 1: Write the proportion equation
391,753.23 : 587,629.98 = 107,446.74 : x - Step 2: Convert to fraction form
391,753.23/587,629.98 = 107,446.74/x - Step 3: Cross multiply
391,753.23x = 587,629.98 × 107,446.74 - Step 4: Simplify right side
391,753.23x = 63,138,925,140.03 - Step 5: Solve for x
x = 63,138,925,140.03/391,753.23 - Step 6: Final answer
x = 161,170.15
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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.