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Finding the Fourth Proportional to 272,676.67, 409,201.85 and 95,183.71

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Solution

The fourth proportional to 272,676.67, 409,201.85 and 95,183.71 is: 142,840.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,676.67 : 409,201.85 = 95,183.71 : x
  2. Step 2: Convert to fraction form
    272,676.67/409,201.85 = 95,183.71/x
  3. Step 3: Cross multiply
    272,676.67x = 409,201.85 × 95,183.71
  4. Step 4: Simplify right side
    272,676.67x = 38,949,349,436.82
  5. Step 5: Solve for x
    x = 38,949,349,436.82/272,676.67
  6. Step 6: Final answer
    x = 142,840.79

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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.