Finding the Fourth Proportional to 87,240.38, 130,883.26 and 24,915.74
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Solution
The fourth proportional to 87,240.38, 130,883.26 and 24,915.74 is: 37,380.09
Step by Step Solution
- Step 1: Write the proportion equation
87,240.38 : 130,883.26 = 24,915.74 : x - Step 2: Convert to fraction form
87,240.38/130,883.26 = 24,915.74/x - Step 3: Cross multiply
87,240.38x = 130,883.26 × 24,915.74 - Step 4: Simplify right side
87,240.38x = 3,261,053,276.51 - Step 5: Solve for x
x = 3,261,053,276.51/87,240.38 - Step 6: Final answer
x = 37,380.09
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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.