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Finding the Fourth Proportional to 220,108.60, 329,944.20 and 101,573.20

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Solution

The fourth proportional to 220,108.60, 329,944.20 and 101,573.20 is: 152,258.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,108.60 : 329,944.20 = 101,573.20 : x
  2. Step 2: Convert to fraction form
    220,108.60/329,944.20 = 101,573.20/x
  3. Step 3: Cross multiply
    220,108.60x = 329,944.20 × 101,573.20
  4. Step 4: Simplify right side
    220,108.60x = 33,513,488,215.44
  5. Step 5: Solve for x
    x = 33,513,488,215.44/220,108.60
  6. Step 6: Final answer
    x = 152,258.88

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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.