Home / 324,234.32-447,450.45-179,039.78

Finding the Fourth Proportional to 324,234.32, 447,450.45 and 179,039.78

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Solution

The fourth proportional to 324,234.32, 447,450.45 and 179,039.78 is: 247,078.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,234.32 : 447,450.45 = 179,039.78 : x
  2. Step 2: Convert to fraction form
    324,234.32/447,450.45 = 179,039.78/x
  3. Step 3: Cross multiply
    324,234.32x = 447,450.45 × 179,039.78
  4. Step 4: Simplify right side
    324,234.32x = 80,111,430,128.90
  5. Step 5: Solve for x
    x = 80,111,430,128.90/324,234.32
  6. Step 6: Final answer
    x = 247,078.81

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1.5x scale

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.