Finding the Fourth Proportional to 281,858.13, 422,922.67 and 132,074.15
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Solution
The fourth proportional to 281,858.13, 422,922.67 and 132,074.15 is: 198,174.70
Step by Step Solution
- Step 1: Write the proportion equation
281,858.13 : 422,922.67 = 132,074.15 : x - Step 2: Convert to fraction form
281,858.13/422,922.67 = 132,074.15/x - Step 3: Cross multiply
281,858.13x = 422,922.67 × 132,074.15 - Step 4: Simplify right side
281,858.13x = 55,857,149,711.18 - Step 5: Solve for x
x = 55,857,149,711.18/281,858.13 - Step 6: Final answer
x = 198,174.70
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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.