Home / 272,005.10-408,046.05-84,997.10

Finding the Fourth Proportional to 272,005.10, 408,046.05 and 84,997.10

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Solution

The fourth proportional to 272,005.10, 408,046.05 and 84,997.10 is: 127,507.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,005.10 : 408,046.05 = 84,997.10 : x
  2. Step 2: Convert to fraction form
    272,005.10/408,046.05 = 84,997.10/x
  3. Step 3: Cross multiply
    272,005.10x = 408,046.05 × 84,997.10
  4. Step 4: Simplify right side
    272,005.10x = 34,682,730,916.46
  5. Step 5: Solve for x
    x = 34,682,730,916.46/272,005.10
  6. Step 6: Final answer
    x = 127,507.65

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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.