Finding the Fourth Proportional to 134,834.55, 202,251.84 and 126,523.95
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Solution
The fourth proportional to 134,834.55, 202,251.84 and 126,523.95 is: 189,785.94
Step by Step Solution
- Step 1: Write the proportion equation
134,834.55 : 202,251.84 = 126,523.95 : x - Step 2: Convert to fraction form
134,834.55/202,251.84 = 126,523.95/x - Step 3: Cross multiply
134,834.55x = 202,251.84 × 126,523.95 - Step 4: Simplify right side
134,834.55x = 25,589,701,691.57 - Step 5: Solve for x
x = 25,589,701,691.57/134,834.55 - Step 6: Final answer
x = 189,785.94
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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.