Home / 217,756.72-326,507.91-84,481.24

Finding the Fourth Proportional to 217,756.72, 326,507.91 and 84,481.24

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Solution

The fourth proportional to 217,756.72, 326,507.91 and 84,481.24 is: 126,672.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,756.72 : 326,507.91 = 84,481.24 : x
  2. Step 2: Convert to fraction form
    217,756.72/326,507.91 = 84,481.24/x
  3. Step 3: Cross multiply
    217,756.72x = 326,507.91 × 84,481.24
  4. Step 4: Simplify right side
    217,756.72x = 27,583,793,106.61
  5. Step 5: Solve for x
    x = 27,583,793,106.61/217,756.72
  6. Step 6: Final answer
    x = 126,672.52

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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.