Home / 221,418.40-332,287.20-88,221.52

Finding the Fourth Proportional to 221,418.40, 332,287.20 and 88,221.52

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Solution

The fourth proportional to 221,418.40, 332,287.20 and 88,221.52 is: 132,395.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,418.40 : 332,287.20 = 88,221.52 : x
  2. Step 2: Convert to fraction form
    221,418.40/332,287.20 = 88,221.52/x
  3. Step 3: Cross multiply
    221,418.40x = 332,287.20 × 88,221.52
  4. Step 4: Simplify right side
    221,418.40x = 29,314,881,860.54
  5. Step 5: Solve for x
    x = 29,314,881,860.54/221,418.40
  6. Step 6: Final answer
    x = 132,395.87

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1.5x scale

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.