Home / 220,174.28-329,700.66-145,066.78

Finding the Fourth Proportional to 220,174.28, 329,700.66 and 145,066.78

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Solution

The fourth proportional to 220,174.28, 329,700.66 and 145,066.78 is: 217,230.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,174.28 : 329,700.66 = 145,066.78 : x
  2. Step 2: Convert to fraction form
    220,174.28/329,700.66 = 145,066.78/x
  3. Step 3: Cross multiply
    220,174.28x = 329,700.66 × 145,066.78
  4. Step 4: Simplify right side
    220,174.28x = 47,828,613,250.20
  5. Step 5: Solve for x
    x = 47,828,613,250.20/220,174.28
  6. Step 6: Final answer
    x = 217,230.70

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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.