Finding the Fourth Proportional to 252,398.40, 378,785.28 and 119,319.44
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Solution
The fourth proportional to 252,398.40, 378,785.28 and 119,319.44 is: 179,067.88
Step by Step Solution
- Step 1: Write the proportion equation
252,398.40 : 378,785.28 = 119,319.44 : x - Step 2: Convert to fraction form
252,398.40/378,785.28 = 119,319.44/x - Step 3: Cross multiply
252,398.40x = 378,785.28 × 119,319.44 - Step 4: Simplify right side
252,398.40x = 45,196,447,489.84 - Step 5: Solve for x
x = 45,196,447,489.84/252,398.40 - Step 6: Final answer
x = 179,067.88
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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.