Finding the Fourth Proportional to 378,412.50, 568,261.50 and 252,859.44
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Solution
The fourth proportional to 378,412.50, 568,261.50 and 252,859.44 is: 379,718.65
Step by Step Solution
- Step 1: Write the proportion equation
378,412.50 : 568,261.50 = 252,859.44 : x - Step 2: Convert to fraction form
378,412.50/568,261.50 = 252,859.44/x - Step 3: Cross multiply
378,412.50x = 568,261.50 × 252,859.44 - Step 4: Simplify right side
378,412.50x = 143,690,284,663.56 - Step 5: Solve for x
x = 143,690,284,663.56/378,412.50 - Step 6: Final answer
x = 379,718.65
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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.