Finding the Fourth Proportional to 252,617.26, 378,895.17 and 157,855.90
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Solution
The fourth proportional to 252,617.26, 378,895.17 and 157,855.90 is: 236,764.65
Step by Step Solution
- Step 1: Write the proportion equation
252,617.26 : 378,895.17 = 157,855.90 : x - Step 2: Convert to fraction form
252,617.26/378,895.17 = 157,855.90/x - Step 3: Cross multiply
252,617.26x = 378,895.17 × 157,855.90 - Step 4: Simplify right side
252,617.26x = 59,810,838,066.00 - Step 5: Solve for x
x = 59,810,838,066.00/252,617.26 - Step 6: Final answer
x = 236,764.65
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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.