Home / 219,660.70-329,491.05-144,865.30

Finding the Fourth Proportional to 219,660.70, 329,491.05 and 144,865.30

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Solution

The fourth proportional to 219,660.70, 329,491.05 and 144,865.30 is: 217,297.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,660.70 : 329,491.05 = 144,865.30 : x
  2. Step 2: Convert to fraction form
    219,660.70/329,491.05 = 144,865.30/x
  3. Step 3: Cross multiply
    219,660.70x = 329,491.05 × 144,865.30
  4. Step 4: Simplify right side
    219,660.70x = 47,731,819,805.57
  5. Step 5: Solve for x
    x = 47,731,819,805.57/219,660.70
  6. Step 6: Final answer
    x = 217,297.95

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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.