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Finding the Fourth Proportional to 322,626.35, 445,222.86 and 179,377.85

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Solution

The fourth proportional to 322,626.35, 445,222.86 and 179,377.85 is: 247,540.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,626.35 : 445,222.86 = 179,377.85 : x
  2. Step 2: Convert to fraction form
    322,626.35/445,222.86 = 179,377.85/x
  3. Step 3: Cross multiply
    322,626.35x = 445,222.86 × 179,377.85
  4. Step 4: Simplify right side
    322,626.35x = 79,863,119,397.65
  5. Step 5: Solve for x
    x = 79,863,119,397.65/322,626.35
  6. Step 6: Final answer
    x = 247,540.60

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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.