Home / 322,734.10-445,378.78-179,494.21

Finding the Fourth Proportional to 322,734.10, 445,378.78 and 179,494.21

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Solution

The fourth proportional to 322,734.10, 445,378.78 and 179,494.21 is: 247,705.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,734.10 : 445,378.78 = 179,494.21 : x
  2. Step 2: Convert to fraction form
    322,734.10/445,378.78 = 179,494.21/x
  3. Step 3: Cross multiply
    322,734.10x = 445,378.78 × 179,494.21
  4. Step 4: Simplify right side
    322,734.10x = 79,942,912,266.86
  5. Step 5: Solve for x
    x = 79,942,912,266.86/322,734.10
  6. Step 6: Final answer
    x = 247,705.19

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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.