Home / 268,345.33-402,324.60-135,319.43

Finding the Fourth Proportional to 268,345.33, 402,324.60 and 135,319.43

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Solution

The fourth proportional to 268,345.33, 402,324.60 and 135,319.43 is: 202,881.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,345.33 : 402,324.60 = 135,319.43 : x
  2. Step 2: Convert to fraction form
    268,345.33/402,324.60 = 135,319.43/x
  3. Step 3: Cross multiply
    268,345.33x = 402,324.60 × 135,319.43
  4. Step 4: Simplify right side
    268,345.33x = 54,442,335,546.98
  5. Step 5: Solve for x
    x = 54,442,335,546.98/268,345.33
  6. Step 6: Final answer
    x = 202,881.62

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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.