Finding the Fourth Proportional to 274,115.48, 378,326.12 and 159,460.66
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Solution
The fourth proportional to 274,115.48, 378,326.12 and 159,460.66 is: 220,082.91
Step by Step Solution
- Step 1: Write the proportion equation
274,115.48 : 378,326.12 = 159,460.66 : x - Step 2: Convert to fraction form
274,115.48/378,326.12 = 159,460.66/x - Step 3: Cross multiply
274,115.48x = 378,326.12 × 159,460.66 - Step 4: Simplify right side
274,115.48x = 60,328,132,790.44 - Step 5: Solve for x
x = 60,328,132,790.44/274,115.48 - Step 6: Final answer
x = 220,082.91
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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.