Finding the Fourth Proportional to 211,691.67, 317,340.67 and 71,351.88
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Solution
The fourth proportional to 211,691.67, 317,340.67 and 71,351.88 is: 106,961.48
Step by Step Solution
- Step 1: Write the proportion equation
211,691.67 : 317,340.67 = 71,351.88 : x - Step 2: Convert to fraction form
211,691.67/317,340.67 = 71,351.88/x - Step 3: Cross multiply
211,691.67x = 317,340.67 × 71,351.88 - Step 4: Simplify right side
211,691.67x = 22,642,853,404.96 - Step 5: Solve for x
x = 22,642,853,404.96/211,691.67 - Step 6: Final answer
x = 106,961.48
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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.