Home / 219,778.08-329,936.25-144,960.78

Finding the Fourth Proportional to 219,778.08, 329,936.25 and 144,960.78

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Solution

The fourth proportional to 219,778.08, 329,936.25 and 144,960.78 is: 217,618.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,778.08 : 329,936.25 = 144,960.78 : x
  2. Step 2: Convert to fraction form
    219,778.08/329,936.25 = 144,960.78/x
  3. Step 3: Cross multiply
    219,778.08x = 329,936.25 × 144,960.78
  4. Step 4: Simplify right side
    219,778.08x = 47,827,816,150.28
  5. Step 5: Solve for x
    x = 47,827,816,150.28/219,778.08
  6. Step 6: Final answer
    x = 217,618.68

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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.