Finding the Fourth Proportional to 221,287.68, 331,952.16 and 88,135.80
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Solution
The fourth proportional to 221,287.68, 331,952.16 and 88,135.80 is: 132,211.92
Step by Step Solution
- Step 1: Write the proportion equation
221,287.68 : 331,952.16 = 88,135.80 : x - Step 2: Convert to fraction form
221,287.68/331,952.16 = 88,135.80/x - Step 3: Cross multiply
221,287.68x = 331,952.16 × 88,135.80 - Step 4: Simplify right side
221,287.68x = 29,256,869,183.33 - Step 5: Solve for x
x = 29,256,869,183.33/221,287.68 - Step 6: Final answer
x = 132,211.92
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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.