Home / 256,244.48-353,617.28-143,067.20

Finding the Fourth Proportional to 256,244.48, 353,617.28 and 143,067.20

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Solution

The fourth proportional to 256,244.48, 353,617.28 and 143,067.20 is: 197,432.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,244.48 : 353,617.28 = 143,067.20 : x
  2. Step 2: Convert to fraction form
    256,244.48/353,617.28 = 143,067.20/x
  3. Step 3: Cross multiply
    256,244.48x = 353,617.28 × 143,067.20
  4. Step 4: Simplify right side
    256,244.48x = 50,591,034,121.22
  5. Step 5: Solve for x
    x = 50,591,034,121.22/256,244.48
  6. Step 6: Final answer
    x = 197,432.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.