Home / 263,046.40-394,375.20-144,851.20

Finding the Fourth Proportional to 263,046.40, 394,375.20 and 144,851.20

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Solution

The fourth proportional to 263,046.40, 394,375.20 and 144,851.20 is: 217,169.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,046.40 : 394,375.20 = 144,851.20 : x
  2. Step 2: Convert to fraction form
    263,046.40/394,375.20 = 144,851.20/x
  3. Step 3: Cross multiply
    263,046.40x = 394,375.20 × 144,851.20
  4. Step 4: Simplify right side
    263,046.40x = 57,125,720,970.24
  5. Step 5: Solve for x
    x = 57,125,720,970.24/263,046.40
  6. Step 6: Final answer
    x = 217,169.75

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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.