Home / 206,930.28-310,135.66-88,462.36

Finding the Fourth Proportional to 206,930.28, 310,135.66 and 88,462.36

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Solution

The fourth proportional to 206,930.28, 310,135.66 and 88,462.36 is: 132,582.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,930.28 : 310,135.66 = 88,462.36 : x
  2. Step 2: Convert to fraction form
    206,930.28/310,135.66 = 88,462.36/x
  3. Step 3: Cross multiply
    206,930.28x = 310,135.66 × 88,462.36
  4. Step 4: Simplify right side
    206,930.28x = 27,435,332,403.76
  5. Step 5: Solve for x
    x = 27,435,332,403.76/206,930.28
  6. Step 6: Final answer
    x = 132,582.49

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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.