Home / 217,960.68-326,979.90-84,913.32

Finding the Fourth Proportional to 217,960.68, 326,979.90 and 84,913.32

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Solution

The fourth proportional to 217,960.68, 326,979.90 and 84,913.32 is: 127,385.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,960.68 : 326,979.90 = 84,913.32 : x
  2. Step 2: Convert to fraction form
    217,960.68/326,979.90 = 84,913.32/x
  3. Step 3: Cross multiply
    217,960.68x = 326,979.90 × 84,913.32
  4. Step 4: Simplify right side
    217,960.68x = 27,764,948,882.27
  5. Step 5: Solve for x
    x = 27,764,948,882.27/217,960.68
  6. Step 6: Final answer
    x = 127,385.13

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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.