Home / 247,474.20-371,211.30-206,002.20

Finding the Fourth Proportional to 247,474.20, 371,211.30 and 206,002.20

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Solution

The fourth proportional to 247,474.20, 371,211.30 and 206,002.20 is: 309,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,474.20 : 371,211.30 = 206,002.20 : x
  2. Step 2: Convert to fraction form
    247,474.20/371,211.30 = 206,002.20/x
  3. Step 3: Cross multiply
    247,474.20x = 371,211.30 × 206,002.20
  4. Step 4: Simplify right side
    247,474.20x = 76,470,344,464.86
  5. Step 5: Solve for x
    x = 76,470,344,464.86/247,474.20
  6. Step 6: Final answer
    x = 309,003.30

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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.