Home / 219,906.40-329,806.80-62,149.60

Finding the Fourth Proportional to 219,906.40, 329,806.80 and 62,149.60

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Solution

The fourth proportional to 219,906.40, 329,806.80 and 62,149.60 is: 93,209.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,906.40 : 329,806.80 = 62,149.60 : x
  2. Step 2: Convert to fraction form
    219,906.40/329,806.80 = 62,149.60/x
  3. Step 3: Cross multiply
    219,906.40x = 329,806.80 × 62,149.60
  4. Step 4: Simplify right side
    219,906.40x = 20,497,360,697.28
  5. Step 5: Solve for x
    x = 20,497,360,697.28/219,906.40
  6. Step 6: Final answer
    x = 93,209.48

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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.