Finding the Fourth Proportional to 216,251.67, 324,169.19 and 145,193.75
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Solution
The fourth proportional to 216,251.67, 324,169.19 and 145,193.75 is: 217,650.75
Step by Step Solution
- Step 1: Write the proportion equation
216,251.67 : 324,169.19 = 145,193.75 : x - Step 2: Convert to fraction form
216,251.67/324,169.19 = 145,193.75/x - Step 3: Cross multiply
216,251.67x = 324,169.19 × 145,193.75 - Step 4: Simplify right side
216,251.67x = 47,067,339,743.86 - Step 5: Solve for x
x = 47,067,339,743.86/216,251.67 - Step 6: Final answer
x = 217,650.75
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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.