Finding the Fourth Proportional to 327,914.17, 491,884.22 and 91,277.53
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Solution
The fourth proportional to 327,914.17, 491,884.22 and 91,277.53 is: 136,919.90
Step by Step Solution
- Step 1: Write the proportion equation
327,914.17 : 491,884.22 = 91,277.53 : x - Step 2: Convert to fraction form
327,914.17/491,884.22 = 91,277.53/x - Step 3: Cross multiply
327,914.17x = 491,884.22 × 91,277.53 - Step 4: Simplify right side
327,914.17x = 44,897,976,191.19 - Step 5: Solve for x
x = 44,897,976,191.19/327,914.17 - Step 6: Final answer
x = 136,919.90
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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.