Finding the Fourth Proportional to 252,502.06, 378,752.58 and 147,247.20
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Solution
The fourth proportional to 252,502.06, 378,752.58 and 147,247.20 is: 220,870.50
Step by Step Solution
- Step 1: Write the proportion equation
252,502.06 : 378,752.58 = 147,247.20 : x - Step 2: Convert to fraction form
252,502.06/378,752.58 = 147,247.20/x - Step 3: Cross multiply
252,502.06x = 378,752.58 × 147,247.20 - Step 4: Simplify right side
252,502.06x = 55,770,256,897.78 - Step 5: Solve for x
x = 55,770,256,897.78/252,502.06 - Step 6: Final answer
x = 220,870.50
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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.