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Finding the Fourth Proportional to 272,402.87, 376,101.15 and 170,469.54

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Solution

The fourth proportional to 272,402.87, 376,101.15 and 170,469.54 is: 235,363.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,402.87 : 376,101.15 = 170,469.54 : x
  2. Step 2: Convert to fraction form
    272,402.87/376,101.15 = 170,469.54/x
  3. Step 3: Cross multiply
    272,402.87x = 376,101.15 × 170,469.54
  4. Step 4: Simplify right side
    272,402.87x = 64,113,790,033.97
  5. Step 5: Solve for x
    x = 64,113,790,033.97/272,402.87
  6. Step 6: Final answer
    x = 235,363.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.