Home / 262,342.54-393,550.46-129,223.90

Finding the Fourth Proportional to 262,342.54, 393,550.46 and 129,223.90

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Solution

The fourth proportional to 262,342.54, 393,550.46 and 129,223.90 is: 193,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,342.54 : 393,550.46 = 129,223.90 : x
  2. Step 2: Convert to fraction form
    262,342.54/393,550.46 = 129,223.90/x
  3. Step 3: Cross multiply
    262,342.54x = 393,550.46 × 129,223.90
  4. Step 4: Simplify right side
    262,342.54x = 50,856,125,287.99
  5. Step 5: Solve for x
    x = 50,856,125,287.99/262,342.54
  6. Step 6: Final answer
    x = 193,853.90

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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.