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Finding the Fourth Proportional to 272,751.57, 409,189.28 and 83,228.85

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Solution

The fourth proportional to 272,751.57, 409,189.28 and 83,228.85 is: 124,862.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,751.57 : 409,189.28 = 83,228.85 : x
  2. Step 2: Convert to fraction form
    272,751.57/409,189.28 = 83,228.85/x
  3. Step 3: Cross multiply
    272,751.57x = 409,189.28 × 83,228.85
  4. Step 4: Simplify right side
    272,751.57x = 34,056,352,790.58
  5. Step 5: Solve for x
    x = 34,056,352,790.58/272,751.57
  6. Step 6: Final answer
    x = 124,862.17

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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.