Finding the Fourth Proportional to 173,153.20, 259,729.80 and 137,723.80
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Solution
The fourth proportional to 173,153.20, 259,729.80 and 137,723.80 is: 206,585.70
Step by Step Solution
- Step 1: Write the proportion equation
173,153.20 : 259,729.80 = 137,723.80 : x - Step 2: Convert to fraction form
173,153.20/259,729.80 = 137,723.80/x - Step 3: Cross multiply
173,153.20x = 259,729.80 × 137,723.80 - Step 4: Simplify right side
173,153.20x = 35,770,975,029.24 - Step 5: Solve for x
x = 35,770,975,029.24/173,153.20 - Step 6: Final answer
x = 206,585.70
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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.