Home / 247,179.12-340,777.32-196,360.54

Finding the Fourth Proportional to 247,179.12, 340,777.32 and 196,360.54

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Solution

The fourth proportional to 247,179.12, 340,777.32 and 196,360.54 is: 270,715.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,179.12 : 340,777.32 = 196,360.54 : x
  2. Step 2: Convert to fraction form
    247,179.12/340,777.32 = 196,360.54/x
  3. Step 3: Cross multiply
    247,179.12x = 340,777.32 × 196,360.54
  4. Step 4: Simplify right side
    247,179.12x = 66,915,218,574.95
  5. Step 5: Solve for x
    x = 66,915,218,574.95/247,179.12
  6. Step 6: Final answer
    x = 270,715.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.