Home / 217,797.12-326,542.08-84,566.40

Finding the Fourth Proportional to 217,797.12, 326,542.08 and 84,566.40

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Solution

The fourth proportional to 217,797.12, 326,542.08 and 84,566.40 is: 126,789.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,797.12 : 326,542.08 = 84,566.40 : x
  2. Step 2: Convert to fraction form
    217,797.12/326,542.08 = 84,566.40/x
  3. Step 3: Cross multiply
    217,797.12x = 326,542.08 × 84,566.40
  4. Step 4: Simplify right side
    217,797.12x = 27,614,488,154.11
  5. Step 5: Solve for x
    x = 27,614,488,154.11/217,797.12
  6. Step 6: Final answer
    x = 126,789.96

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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.