Home / 206,983.28-310,215.18-88,515.32

Finding the Fourth Proportional to 206,983.28, 310,215.18 and 88,515.32

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Solution

The fourth proportional to 206,983.28, 310,215.18 and 88,515.32 is: 132,661.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,983.28 : 310,215.18 = 88,515.32 : x
  2. Step 2: Convert to fraction form
    206,983.28/310,215.18 = 88,515.32/x
  3. Step 3: Cross multiply
    206,983.28x = 310,215.18 × 88,515.32
  4. Step 4: Simplify right side
    206,983.28x = 27,458,795,926.56
  5. Step 5: Solve for x
    x = 27,458,795,926.56/206,983.28
  6. Step 6: Final answer
    x = 132,661.90

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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.