Home / 220,778.28-329,470.77-197,157.48

Finding the Fourth Proportional to 220,778.28, 329,470.77 and 197,157.48

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Solution

The fourth proportional to 220,778.28, 329,470.77 and 197,157.48 is: 294,221.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,778.28 : 329,470.77 = 197,157.48 : x
  2. Step 2: Convert to fraction form
    220,778.28/329,470.77 = 197,157.48/x
  3. Step 3: Cross multiply
    220,778.28x = 329,470.77 × 197,157.48
  4. Step 4: Simplify right side
    220,778.28x = 64,957,626,746.86
  5. Step 5: Solve for x
    x = 64,957,626,746.86/220,778.28
  6. Step 6: Final answer
    x = 294,221.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.