Home / 217,742.82-326,487.11-84,467.34

Finding the Fourth Proportional to 217,742.82, 326,487.11 and 84,467.34

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Solution

The fourth proportional to 217,742.82, 326,487.11 and 84,467.34 is: 126,651.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,742.82 : 326,487.11 = 84,467.34 : x
  2. Step 2: Convert to fraction form
    217,742.82/326,487.11 = 84,467.34/x
  3. Step 3: Cross multiply
    217,742.82x = 326,487.11 × 84,467.34
  4. Step 4: Simplify right side
    217,742.82x = 27,577,498,331.04
  5. Step 5: Solve for x
    x = 27,577,498,331.04/217,742.82
  6. Step 6: Final answer
    x = 126,651.70

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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.