Finding the Fourth Proportional to 274,278.08, 411,463.20 and 87,346.88
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Solution
The fourth proportional to 274,278.08, 411,463.20 and 87,346.88 is: 131,034.99
Step by Step Solution
- Step 1: Write the proportion equation
274,278.08 : 411,463.20 = 87,346.88 : x - Step 2: Convert to fraction form
274,278.08/411,463.20 = 87,346.88/x - Step 3: Cross multiply
274,278.08x = 411,463.20 × 87,346.88 - Step 4: Simplify right side
274,278.08x = 35,940,026,754.82 - Step 5: Solve for x
x = 35,940,026,754.82/274,278.08 - Step 6: Final answer
x = 131,034.99
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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.