Home / 220,117.92-330,177.24-70,370.28

Finding the Fourth Proportional to 220,117.92, 330,177.24 and 70,370.28

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Solution

The fourth proportional to 220,117.92, 330,177.24 and 70,370.28 is: 105,555.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,117.92 : 330,177.24 = 70,370.28 : x
  2. Step 2: Convert to fraction form
    220,117.92/330,177.24 = 70,370.28/x
  3. Step 3: Cross multiply
    220,117.92x = 330,177.24 × 70,370.28
  4. Step 4: Simplify right side
    220,117.92x = 23,234,664,828.43
  5. Step 5: Solve for x
    x = 23,234,664,828.43/220,117.92
  6. Step 6: Final answer
    x = 105,555.54

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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.