Home / 247,829.31-371,738.68-79,350.12

Finding the Fourth Proportional to 247,829.31, 371,738.68 and 79,350.12

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Solution

The fourth proportional to 247,829.31, 371,738.68 and 79,350.12 is: 119,023.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,829.31 : 371,738.68 = 79,350.12 : x
  2. Step 2: Convert to fraction form
    247,829.31/371,738.68 = 79,350.12/x
  3. Step 3: Cross multiply
    247,829.31x = 371,738.68 × 79,350.12
  4. Step 4: Simplify right side
    247,829.31x = 29,497,508,866.64
  5. Step 5: Solve for x
    x = 29,497,508,866.64/247,829.31
  6. Step 6: Final answer
    x = 119,023.49

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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.