Home / 247,121.28-370,707.84-80,922.24

Finding the Fourth Proportional to 247,121.28, 370,707.84 and 80,922.24

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Solution

The fourth proportional to 247,121.28, 370,707.84 and 80,922.24 is: 121,391.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,121.28 : 370,707.84 = 80,922.24 : x
  2. Step 2: Convert to fraction form
    247,121.28/370,707.84 = 80,922.24/x
  3. Step 3: Cross multiply
    247,121.28x = 370,707.84 × 80,922.24
  4. Step 4: Simplify right side
    247,121.28x = 29,998,508,798.36
  5. Step 5: Solve for x
    x = 29,998,508,798.36/247,121.28
  6. Step 6: Final answer
    x = 121,391.85

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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.