Finding the Fourth Proportional to 400,785.18, 601,121.87 and 101,247.18
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Solution
The fourth proportional to 400,785.18, 601,121.87 and 101,247.18 is: 151,856.64
Step by Step Solution
- Step 1: Write the proportion equation
400,785.18 : 601,121.87 = 101,247.18 : x - Step 2: Convert to fraction form
400,785.18/601,121.87 = 101,247.18/x - Step 3: Cross multiply
400,785.18x = 601,121.87 × 101,247.18 - Step 4: Simplify right side
400,785.18x = 60,861,891,793.06 - Step 5: Solve for x
x = 60,861,891,793.06/400,785.18 - Step 6: Final answer
x = 151,856.64
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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.