Home / 217,517.28-326,197.92-117,751.20

Finding the Fourth Proportional to 217,517.28, 326,197.92 and 117,751.20

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Solution

The fourth proportional to 217,517.28, 326,197.92 and 117,751.20 is: 176,584.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,517.28 : 326,197.92 = 117,751.20 : x
  2. Step 2: Convert to fraction form
    217,517.28/326,197.92 = 117,751.20/x
  3. Step 3: Cross multiply
    217,517.28x = 326,197.92 × 117,751.20
  4. Step 4: Simplify right side
    217,517.28x = 38,410,196,517.50
  5. Step 5: Solve for x
    x = 38,410,196,517.50/217,517.28
  6. Step 6: Final answer
    x = 176,584.58

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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.