Home / 217,088.28-325,679.22-67,325.58

Finding the Fourth Proportional to 217,088.28, 325,679.22 and 67,325.58

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Solution

The fourth proportional to 217,088.28, 325,679.22 and 67,325.58 is: 101,002.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,088.28 : 325,679.22 = 67,325.58 : x
  2. Step 2: Convert to fraction form
    217,088.28/325,679.22 = 67,325.58/x
  3. Step 3: Cross multiply
    217,088.28x = 325,679.22 × 67,325.58
  4. Step 4: Simplify right side
    217,088.28x = 21,926,542,380.45
  5. Step 5: Solve for x
    x = 21,926,542,380.45/217,088.28
  6. Step 6: Final answer
    x = 101,002.88

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1.5x scale

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.