Finding the Fourth Proportional to 274,414.84, 378,572.28 and 161,186.56
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Solution
The fourth proportional to 274,414.84, 378,572.28 and 161,186.56 is: 222,366.85
Step by Step Solution
- Step 1: Write the proportion equation
274,414.84 : 378,572.28 = 161,186.56 : x - Step 2: Convert to fraction form
274,414.84/378,572.28 = 161,186.56/x - Step 3: Cross multiply
274,414.84x = 378,572.28 × 161,186.56 - Step 4: Simplify right side
274,414.84x = 61,020,763,524.56 - Step 5: Solve for x
x = 61,020,763,524.56/274,414.84 - Step 6: Final answer
x = 222,366.85
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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.