Finding the Fourth Proportional to 318,120.26, 477,167.92 and 107,758.19
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Solution
The fourth proportional to 318,120.26, 477,167.92 and 107,758.19 is: 161,633.06
Step by Step Solution
- Step 1: Write the proportion equation
318,120.26 : 477,167.92 = 107,758.19 : x - Step 2: Convert to fraction form
318,120.26/477,167.92 = 107,758.19/x - Step 3: Cross multiply
318,120.26x = 477,167.92 × 107,758.19 - Step 4: Simplify right side
318,120.26x = 51,418,751,385.26 - Step 5: Solve for x
x = 51,418,751,385.26/318,120.26 - Step 6: Final answer
x = 161,633.06
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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.