Home / 217,810.38-326,630.97-84,673.02

Finding the Fourth Proportional to 217,810.38, 326,630.97 and 84,673.02

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Solution

The fourth proportional to 217,810.38, 326,630.97 and 84,673.02 is: 126,976.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,810.38 : 326,630.97 = 84,673.02 : x
  2. Step 2: Convert to fraction form
    217,810.38/326,630.97 = 84,673.02/x
  3. Step 3: Cross multiply
    217,810.38x = 326,630.97 × 84,673.02
  4. Step 4: Simplify right side
    217,810.38x = 27,656,830,655.43
  5. Step 5: Solve for x
    x = 27,656,830,655.43/217,810.38
  6. Step 6: Final answer
    x = 126,976.64

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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.