Home / 217,884.33-326,744.28-84,747.87

Finding the Fourth Proportional to 217,884.33, 326,744.28 and 84,747.87

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Solution

The fourth proportional to 217,884.33, 326,744.28 and 84,747.87 is: 127,089.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,884.33 : 326,744.28 = 84,747.87 : x
  2. Step 2: Convert to fraction form
    217,884.33/326,744.28 = 84,747.87/x
  3. Step 3: Cross multiply
    217,884.33x = 326,744.28 × 84,747.87
  4. Step 4: Simplify right side
    217,884.33x = 27,690,881,764.68
  5. Step 5: Solve for x
    x = 27,690,881,764.68/217,884.33
  6. Step 6: Final answer
    x = 127,089.83

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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.