Home / 256,067.28-353,372.82-141,345.90

Finding the Fourth Proportional to 256,067.28, 353,372.82 and 141,345.90

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Solution

The fourth proportional to 256,067.28, 353,372.82 and 141,345.90 is: 195,057.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,067.28 : 353,372.82 = 141,345.90 : x
  2. Step 2: Convert to fraction form
    256,067.28/353,372.82 = 141,345.90/x
  3. Step 3: Cross multiply
    256,067.28x = 353,372.82 × 141,345.90
  4. Step 4: Simplify right side
    256,067.28x = 49,947,799,278.44
  5. Step 5: Solve for x
    x = 49,947,799,278.44/256,067.28
  6. Step 6: Final answer
    x = 195,057.33

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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.