Finding the Fourth Proportional to 189,375.62, 261,432.99 and 117,778.73
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Solution
The fourth proportional to 189,375.62, 261,432.99 and 117,778.73 is: 162,593.50
Step by Step Solution
- Step 1: Write the proportion equation
189,375.62 : 261,432.99 = 117,778.73 : x - Step 2: Convert to fraction form
189,375.62/261,432.99 = 117,778.73/x - Step 3: Cross multiply
189,375.62x = 261,432.99 × 117,778.73 - Step 4: Simplify right side
189,375.62x = 30,791,244,235.14 - Step 5: Solve for x
x = 30,791,244,235.14/189,375.62 - Step 6: Final answer
x = 162,593.50
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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.