Finding the Fourth Proportional to 156,158.27, 234,138.98 and 132,474.12
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Solution
The fourth proportional to 156,158.27, 234,138.98 and 132,474.12 is: 198,627.68
Step by Step Solution
- Step 1: Write the proportion equation
156,158.27 : 234,138.98 = 132,474.12 : x - Step 2: Convert to fraction form
156,158.27/234,138.98 = 132,474.12/x - Step 3: Cross multiply
156,158.27x = 234,138.98 × 132,474.12 - Step 4: Simplify right side
156,158.27x = 31,017,353,500.13 - Step 5: Solve for x
x = 31,017,353,500.13/156,158.27 - Step 6: Final answer
x = 198,627.68
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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.