Home / 247,441.20-371,102.40-69,964.80

Finding the Fourth Proportional to 247,441.20, 371,102.40 and 69,964.80

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Solution

The fourth proportional to 247,441.20, 371,102.40 and 69,964.80 is: 104,930.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,441.20 : 371,102.40 = 69,964.80 : x
  2. Step 2: Convert to fraction form
    247,441.20/371,102.40 = 69,964.80/x
  3. Step 3: Cross multiply
    247,441.20x = 371,102.40 × 69,964.80
  4. Step 4: Simplify right side
    247,441.20x = 25,964,105,195.52
  5. Step 5: Solve for x
    x = 25,964,105,195.52/247,441.20
  6. Step 6: Final answer
    x = 104,930.40

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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.