Finding the Fourth Proportional to 252,048.90, 378,147.18 and 74,560.65
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Solution
The fourth proportional to 252,048.90, 378,147.18 and 74,560.65 is: 111,862.82
Step by Step Solution
- Step 1: Write the proportion equation
252,048.90 : 378,147.18 = 74,560.65 : x - Step 2: Convert to fraction form
252,048.90/378,147.18 = 74,560.65/x - Step 3: Cross multiply
252,048.90x = 378,147.18 × 74,560.65 - Step 4: Simplify right side
252,048.90x = 28,194,899,536.47 - Step 5: Solve for x
x = 28,194,899,536.47/252,048.90 - Step 6: Final answer
x = 111,862.82
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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.