Finding the Fourth Proportional to 133,233.12, 199,869.12 and 44,470.08
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Solution
The fourth proportional to 133,233.12, 199,869.12 and 44,470.08 is: 66,711.61
Step by Step Solution
- Step 1: Write the proportion equation
133,233.12 : 199,869.12 = 44,470.08 : x - Step 2: Convert to fraction form
133,233.12/199,869.12 = 44,470.08/x - Step 3: Cross multiply
133,233.12x = 199,869.12 × 44,470.08 - Step 4: Simplify right side
133,233.12x = 8,888,195,755.93 - Step 5: Solve for x
x = 8,888,195,755.93/133,233.12 - Step 6: Final answer
x = 66,711.61
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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.