Finding the Fourth Proportional to 281,956.56, 389,098.24 and 161,134.80
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Solution
The fourth proportional to 281,956.56, 389,098.24 and 161,134.80 is: 222,364.99
Step by Step Solution
- Step 1: Write the proportion equation
281,956.56 : 389,098.24 = 161,134.80 : x - Step 2: Convert to fraction form
281,956.56/389,098.24 = 161,134.80/x - Step 3: Cross multiply
281,956.56x = 389,098.24 × 161,134.80 - Step 4: Simplify right side
281,956.56x = 62,697,267,082.75 - Step 5: Solve for x
x = 62,697,267,082.75/281,956.56 - Step 6: Final answer
x = 222,364.99
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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.