Finding the Fourth Proportional to 138,240.91, 207,442.01 and 58,274.02
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Solution
The fourth proportional to 138,240.91, 207,442.01 and 58,274.02 is: 87,445.02
Step by Step Solution
- Step 1: Write the proportion equation
138,240.91 : 207,442.01 = 58,274.02 : x - Step 2: Convert to fraction form
138,240.91/207,442.01 = 58,274.02/x - Step 3: Cross multiply
138,240.91x = 207,442.01 × 58,274.02 - Step 4: Simplify right side
138,240.91x = 12,088,479,077.71 - Step 5: Solve for x
x = 12,088,479,077.71/138,240.91 - Step 6: Final answer
x = 87,445.02
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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.