Finding the Fourth Proportional to 318,122.13, 477,170.73 and 107,760.07
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Solution
The fourth proportional to 318,122.13, 477,170.73 and 107,760.07 is: 161,635.88
Step by Step Solution
- Step 1: Write the proportion equation
318,122.13 : 477,170.73 = 107,760.07 : x - Step 2: Convert to fraction form
318,122.13/477,170.73 = 107,760.07/x - Step 3: Cross multiply
318,122.13x = 477,170.73 × 107,760.07 - Step 4: Simplify right side
318,122.13x = 51,419,951,266.75 - Step 5: Solve for x
x = 51,419,951,266.75/318,122.13 - Step 6: Final answer
x = 161,635.88
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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.