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Finding the Fourth Proportional to 247,984.40, 372,149.40 and 159,453.20

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Solution

The fourth proportional to 247,984.40, 372,149.40 and 159,453.20 is: 239,290.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,984.40 : 372,149.40 = 159,453.20 : x
  2. Step 2: Convert to fraction form
    247,984.40/372,149.40 = 159,453.20/x
  3. Step 3: Cross multiply
    247,984.40x = 372,149.40 × 159,453.20
  4. Step 4: Simplify right side
    247,984.40x = 59,340,412,708.08
  5. Step 5: Solve for x
    x = 59,340,412,708.08/247,984.40
  6. Step 6: Final answer
    x = 239,290.91

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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.