Finding the Fourth Proportional to 274,546.76, 378,882.44 and 153,687.33
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Solution
The fourth proportional to 274,546.76, 378,882.44 and 153,687.33 is: 212,092.95
Step by Step Solution
- Step 1: Write the proportion equation
274,546.76 : 378,882.44 = 153,687.33 : x - Step 2: Convert to fraction form
274,546.76/378,882.44 = 153,687.33/x - Step 3: Cross multiply
274,546.76x = 378,882.44 × 153,687.33 - Step 4: Simplify right side
274,546.76x = 58,229,429,819.05 - Step 5: Solve for x
x = 58,229,429,819.05/274,546.76 - Step 6: Final answer
x = 212,092.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.