Finding the Fourth Proportional to 252,619.20, 379,177.92 and 134,291.52
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Solution
The fourth proportional to 252,619.20, 379,177.92 and 134,291.52 is: 201,569.71
Step by Step Solution
- Step 1: Write the proportion equation
252,619.20 : 379,177.92 = 134,291.52 : x - Step 2: Convert to fraction form
252,619.20/379,177.92 = 134,291.52/x - Step 3: Cross multiply
252,619.20x = 379,177.92 × 134,291.52 - Step 4: Simplify right side
252,619.20x = 50,920,379,227.24 - Step 5: Solve for x
x = 50,920,379,227.24/252,619.20 - Step 6: Final answer
x = 201,569.71
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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.