Finding the Fourth Proportional to 327,913.92, 491,883.84 and 91,277.28
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Solution
The fourth proportional to 327,913.92, 491,883.84 and 91,277.28 is: 136,919.53
Step by Step Solution
- Step 1: Write the proportion equation
327,913.92 : 491,883.84 = 91,277.28 : x - Step 2: Convert to fraction form
327,913.92/491,883.84 = 91,277.28/x - Step 3: Cross multiply
327,913.92x = 491,883.84 × 91,277.28 - Step 4: Simplify right side
327,913.92x = 44,897,818,991.16 - Step 5: Solve for x
x = 44,897,818,991.16/327,913.92 - Step 6: Final answer
x = 136,919.53
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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.