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Finding the Fourth Proportional to 278,579.82, 383,751.50 and 237,610.48

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Solution

The fourth proportional to 278,579.82, 383,751.50 and 237,610.48 is: 327,315.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,579.82 : 383,751.50 = 237,610.48 : x
  2. Step 2: Convert to fraction form
    278,579.82/383,751.50 = 237,610.48/x
  3. Step 3: Cross multiply
    278,579.82x = 383,751.50 × 237,610.48
  4. Step 4: Simplify right side
    278,579.82x = 91,183,378,115.72
  5. Step 5: Solve for x
    x = 91,183,378,115.72/278,579.82
  6. Step 6: Final answer
    x = 327,315.09

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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.