Home / 268,176.38-402,258.33-135,020.88

Finding the Fourth Proportional to 268,176.38, 402,258.33 and 135,020.88

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Solution

The fourth proportional to 268,176.38, 402,258.33 and 135,020.88 is: 202,528.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,176.38 : 402,258.33 = 135,020.88 : x
  2. Step 2: Convert to fraction form
    268,176.38/402,258.33 = 135,020.88/x
  3. Step 3: Cross multiply
    268,176.38x = 402,258.33 × 135,020.88
  4. Step 4: Simplify right side
    268,176.38x = 54,313,273,703.93
  5. Step 5: Solve for x
    x = 54,313,273,703.93/268,176.38
  6. Step 6: Final answer
    x = 202,528.18

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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.