Home / 220,120.38-330,251.49-100,220.22

Finding the Fourth Proportional to 220,120.38, 330,251.49 and 100,220.22

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Solution

The fourth proportional to 220,120.38, 330,251.49 and 100,220.22 is: 150,362.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,120.38 : 330,251.49 = 100,220.22 : x
  2. Step 2: Convert to fraction form
    220,120.38/330,251.49 = 100,220.22/x
  3. Step 3: Cross multiply
    220,120.38x = 330,251.49 × 100,220.22
  4. Step 4: Simplify right side
    220,120.38x = 33,097,876,983.13
  5. Step 5: Solve for x
    x = 33,097,876,983.13/220,120.38
  6. Step 6: Final answer
    x = 150,362.62

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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.