Home / 269,768.20-372,283.20-148,909.60

Finding the Fourth Proportional to 269,768.20, 372,283.20 and 148,909.60

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Solution

The fourth proportional to 269,768.20, 372,283.20 and 148,909.60 is: 205,496.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,768.20 : 372,283.20 = 148,909.60 : x
  2. Step 2: Convert to fraction form
    269,768.20/372,283.20 = 148,909.60/x
  3. Step 3: Cross multiply
    269,768.20x = 372,283.20 × 148,909.60
  4. Step 4: Simplify right side
    269,768.20x = 55,436,542,398.72
  5. Step 5: Solve for x
    x = 55,436,542,398.72/269,768.20
  6. Step 6: Final answer
    x = 205,496.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.