Home / 263,073.20-394,771.80-113,385.20

Finding the Fourth Proportional to 263,073.20, 394,771.80 and 113,385.20

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Solution

The fourth proportional to 263,073.20, 394,771.80 and 113,385.20 is: 170,147.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,073.20 : 394,771.80 = 113,385.20 : x
  2. Step 2: Convert to fraction form
    263,073.20/394,771.80 = 113,385.20/x
  3. Step 3: Cross multiply
    263,073.20x = 394,771.80 × 113,385.20
  4. Step 4: Simplify right side
    263,073.20x = 44,761,279,497.36
  5. Step 5: Solve for x
    x = 44,761,279,497.36/263,073.20
  6. Step 6: Final answer
    x = 170,147.62

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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.