Finding the Fourth Proportional to 194,882.96, 268,755.97 and 129,355.90
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Solution
The fourth proportional to 194,882.96, 268,755.97 and 129,355.90 is: 178,390.00
Step by Step Solution
- Step 1: Write the proportion equation
194,882.96 : 268,755.97 = 129,355.90 : x - Step 2: Convert to fraction form
194,882.96/268,755.97 = 129,355.90/x - Step 3: Cross multiply
194,882.96x = 268,755.97 × 129,355.90 - Step 4: Simplify right side
194,882.96x = 34,765,170,379.72 - Step 5: Solve for x
x = 34,765,170,379.72/194,882.96 - Step 6: Final answer
x = 178,390.00
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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.