Finding the Fourth Proportional to 252,502.28, 378,752.94 and 147,247.44
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Solution
The fourth proportional to 252,502.28, 378,752.94 and 147,247.44 is: 220,870.88
Step by Step Solution
- Step 1: Write the proportion equation
252,502.28 : 378,752.94 = 147,247.44 : x - Step 2: Convert to fraction form
252,502.28/378,752.94 = 147,247.44/x - Step 3: Cross multiply
252,502.28x = 378,752.94 × 147,247.44 - Step 4: Simplify right side
252,502.28x = 55,770,400,807.47 - Step 5: Solve for x
x = 55,770,400,807.47/252,502.28 - Step 6: Final answer
x = 220,870.88
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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.