Finding the Fourth Proportional to 252,241.98, 378,251.66 and 72,286.57
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Solution
The fourth proportional to 252,241.98, 378,251.66 and 72,286.57 is: 108,397.95
Step by Step Solution
- Step 1: Write the proportion equation
252,241.98 : 378,251.66 = 72,286.57 : x - Step 2: Convert to fraction form
252,241.98/378,251.66 = 72,286.57/x - Step 3: Cross multiply
252,241.98x = 378,251.66 × 72,286.57 - Step 4: Simplify right side
252,241.98x = 27,342,514,457.71 - Step 5: Solve for x
x = 27,342,514,457.71/252,241.98 - Step 6: Final answer
x = 108,397.95
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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.