Home / 257,227.33-354,976.20-142,508.41

Finding the Fourth Proportional to 257,227.33, 354,976.20 and 142,508.41

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Solution

The fourth proportional to 257,227.33, 354,976.20 and 142,508.41 is: 196,662.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,227.33 : 354,976.20 = 142,508.41 : x
  2. Step 2: Convert to fraction form
    257,227.33/354,976.20 = 142,508.41/x
  3. Step 3: Cross multiply
    257,227.33x = 354,976.20 × 142,508.41
  4. Step 4: Simplify right side
    257,227.33x = 50,587,093,849.84
  5. Step 5: Solve for x
    x = 50,587,093,849.84/257,227.33
  6. Step 6: Final answer
    x = 196,662.98

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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.