Finding the Fourth Proportional to 263,148.97, 394,772.14 and 83,279.66
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Solution
The fourth proportional to 263,148.97, 394,772.14 and 83,279.66 is: 124,934.90
Step by Step Solution
- Step 1: Write the proportion equation
263,148.97 : 394,772.14 = 83,279.66 : x - Step 2: Convert to fraction form
263,148.97/394,772.14 = 83,279.66/x - Step 3: Cross multiply
263,148.97x = 394,772.14 × 83,279.66 - Step 4: Simplify right side
263,148.97x = 32,876,489,596.67 - Step 5: Solve for x
x = 32,876,489,596.67/263,148.97 - Step 6: Final answer
x = 124,934.90
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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.