Home / 247,627.76-371,589.20-89,868.51

Finding the Fourth Proportional to 247,627.76, 371,589.20 and 89,868.51

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Solution

The fourth proportional to 247,627.76, 371,589.20 and 89,868.51 is: 134,856.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,627.76 : 371,589.20 = 89,868.51 : x
  2. Step 2: Convert to fraction form
    247,627.76/371,589.20 = 89,868.51/x
  3. Step 3: Cross multiply
    247,627.76x = 371,589.20 × 89,868.51
  4. Step 4: Simplify right side
    247,627.76x = 33,394,167,736.09
  5. Step 5: Solve for x
    x = 33,394,167,736.09/247,627.76
  6. Step 6: Final answer
    x = 134,856.32

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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.