Finding the Fourth Proportional to 254,711.70, 382,067.55 and 136,613.70
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Solution
The fourth proportional to 254,711.70, 382,067.55 and 136,613.70 is: 204,920.55
Step by Step Solution
- Step 1: Write the proportion equation
254,711.70 : 382,067.55 = 136,613.70 : x - Step 2: Convert to fraction form
254,711.70/382,067.55 = 136,613.70/x - Step 3: Cross multiply
254,711.70x = 382,067.55 × 136,613.70 - Step 4: Simplify right side
254,711.70x = 52,195,661,655.44 - Step 5: Solve for x
x = 52,195,661,655.44/254,711.70 - Step 6: Final answer
x = 204,920.55
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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.