Finding the Fourth Proportional to 252,252.96, 378,438.84 and 74,761.44
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Solution
The fourth proportional to 252,252.96, 378,438.84 and 74,761.44 is: 112,159.76
Step by Step Solution
- Step 1: Write the proportion equation
252,252.96 : 378,438.84 = 74,761.44 : x - Step 2: Convert to fraction form
252,252.96/378,438.84 = 74,761.44/x - Step 3: Cross multiply
252,252.96x = 378,438.84 × 74,761.44 - Step 4: Simplify right side
252,252.96x = 28,292,632,630.33 - Step 5: Solve for x
x = 28,292,632,630.33/252,252.96 - Step 6: Final answer
x = 112,159.76
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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.