Home / 221,451.40-332,016.18-88,291.72

Finding the Fourth Proportional to 221,451.40, 332,016.18 and 88,291.72

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Solution

The fourth proportional to 221,451.40, 332,016.18 and 88,291.72 is: 132,373.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,451.40 : 332,016.18 = 88,291.72 : x
  2. Step 2: Convert to fraction form
    221,451.40/332,016.18 = 88,291.72/x
  3. Step 3: Cross multiply
    221,451.40x = 332,016.18 × 88,291.72
  4. Step 4: Simplify right side
    221,451.40x = 29,314,279,600.03
  5. Step 5: Solve for x
    x = 29,314,279,600.03/221,451.40
  6. Step 6: Final answer
    x = 132,373.42

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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.