Finding the Fourth Proportional to 274,102.20, 411,102.99 and 124,306.47
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Solution
The fourth proportional to 274,102.20, 411,102.99 and 124,306.47 is: 186,436.89
Step by Step Solution
- Step 1: Write the proportion equation
274,102.20 : 411,102.99 = 124,306.47 : x - Step 2: Convert to fraction form
274,102.20/411,102.99 = 124,306.47/x - Step 3: Cross multiply
274,102.20x = 411,102.99 × 124,306.47 - Step 4: Simplify right side
274,102.20x = 51,102,761,493.35 - Step 5: Solve for x
x = 51,102,761,493.35/274,102.20 - Step 6: Final answer
x = 186,436.89
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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.