Home / 219,650.40-329,038.20-126,046.80

Finding the Fourth Proportional to 219,650.40, 329,038.20 and 126,046.80

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Solution

The fourth proportional to 219,650.40, 329,038.20 and 126,046.80 is: 188,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,650.40 : 329,038.20 = 126,046.80 : x
  2. Step 2: Convert to fraction form
    219,650.40/329,038.20 = 126,046.80/x
  3. Step 3: Cross multiply
    219,650.40x = 329,038.20 × 126,046.80
  4. Step 4: Simplify right side
    219,650.40x = 41,474,212,187.76
  5. Step 5: Solve for x
    x = 41,474,212,187.76/219,650.40
  6. Step 6: Final answer
    x = 188,819.20

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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.