Home / 219,396.78-329,107.92-61,637.52

Finding the Fourth Proportional to 219,396.78, 329,107.92 and 61,637.52

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Solution

The fourth proportional to 219,396.78, 329,107.92 and 61,637.52 is: 92,459.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,396.78 : 329,107.92 = 61,637.52 : x
  2. Step 2: Convert to fraction form
    219,396.78/329,107.92 = 61,637.52/x
  3. Step 3: Cross multiply
    219,396.78x = 329,107.92 × 61,637.52
  4. Step 4: Simplify right side
    219,396.78x = 20,285,396,001.16
  5. Step 5: Solve for x
    x = 20,285,396,001.16/219,396.78
  6. Step 6: Final answer
    x = 92,459.86

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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.