Finding the Fourth Proportional to 351,229.57, 526,785.42 and 126,548.12
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Solution
The fourth proportional to 351,229.57, 526,785.42 and 126,548.12 is: 189,800.95
Step by Step Solution
- Step 1: Write the proportion equation
351,229.57 : 526,785.42 = 126,548.12 : x - Step 2: Convert to fraction form
351,229.57/526,785.42 = 126,548.12/x - Step 3: Cross multiply
351,229.57x = 526,785.42 × 126,548.12 - Step 4: Simplify right side
351,229.57x = 66,663,706,335.93 - Step 5: Solve for x
x = 66,663,706,335.93/351,229.57 - Step 6: Final answer
x = 189,800.95
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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.