Home / 220,002.20-330,003.30-72,258.20

Finding the Fourth Proportional to 220,002.20, 330,003.30 and 72,258.20

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Solution

The fourth proportional to 220,002.20, 330,003.30 and 72,258.20 is: 108,387.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,002.20 : 330,003.30 = 72,258.20 : x
  2. Step 2: Convert to fraction form
    220,002.20/330,003.30 = 72,258.20/x
  3. Step 3: Cross multiply
    220,002.20x = 330,003.30 × 72,258.20
  4. Step 4: Simplify right side
    220,002.20x = 23,845,444,452.06
  5. Step 5: Solve for x
    x = 23,845,444,452.06/220,002.20
  6. Step 6: Final answer
    x = 108,387.30

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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.