Home / 220,600.74-330,869.88-70,821.33

Finding the Fourth Proportional to 220,600.74, 330,869.88 and 70,821.33

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Solution

The fourth proportional to 220,600.74, 330,869.88 and 70,821.33 is: 106,221.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,600.74 : 330,869.88 = 70,821.33 : x
  2. Step 2: Convert to fraction form
    220,600.74/330,869.88 = 70,821.33/x
  3. Step 3: Cross multiply
    220,600.74x = 330,869.88 × 70,821.33
  4. Step 4: Simplify right side
    220,600.74x = 23,432,644,958.54
  5. Step 5: Solve for x
    x = 23,432,644,958.54/220,600.74
  6. Step 6: Final answer
    x = 106,221.97

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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.