Finding the Fourth Proportional to 138,232.46, 207,423.18 and 58,325.80
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Solution
The fourth proportional to 138,232.46, 207,423.18 and 58,325.80 is: 87,520.12
Step by Step Solution
- Step 1: Write the proportion equation
138,232.46 : 207,423.18 = 58,325.80 : x - Step 2: Convert to fraction form
138,232.46/207,423.18 = 58,325.80/x - Step 3: Cross multiply
138,232.46x = 207,423.18 × 58,325.80 - Step 4: Simplify right side
138,232.46x = 12,098,121,583.30 - Step 5: Solve for x
x = 12,098,121,583.30/138,232.46 - Step 6: Final answer
x = 87,520.12
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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.