Home / 263,074.20-394,773.30-113,386.20

Finding the Fourth Proportional to 263,074.20, 394,773.30 and 113,386.20

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Solution

The fourth proportional to 263,074.20, 394,773.30 and 113,386.20 is: 170,149.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,074.20 : 394,773.30 = 113,386.20 : x
  2. Step 2: Convert to fraction form
    263,074.20/394,773.30 = 113,386.20/x
  3. Step 3: Cross multiply
    263,074.20x = 394,773.30 × 113,386.20
  4. Step 4: Simplify right side
    263,074.20x = 44,761,844,348.46
  5. Step 5: Solve for x
    x = 44,761,844,348.46/263,074.20
  6. Step 6: Final answer
    x = 170,149.12

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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.