Home / 217,523.66-326,272.41-129,338.37

Finding the Fourth Proportional to 217,523.66, 326,272.41 and 129,338.37

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Solution

The fourth proportional to 217,523.66, 326,272.41 and 129,338.37 is: 193,999.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,523.66 : 326,272.41 = 129,338.37 : x
  2. Step 2: Convert to fraction form
    217,523.66/326,272.41 = 129,338.37/x
  3. Step 3: Cross multiply
    217,523.66x = 326,272.41 × 129,338.37
  4. Step 4: Simplify right side
    217,523.66x = 42,199,541,685.37
  5. Step 5: Solve for x
    x = 42,199,541,685.37/217,523.66
  6. Step 6: Final answer
    x = 193,999.78

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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.