Home / 322,723.21-445,351.71-179,480.20

Finding the Fourth Proportional to 322,723.21, 445,351.71 and 179,480.20

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Solution

The fourth proportional to 322,723.21, 445,351.71 and 179,480.20 is: 247,679.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,723.21 : 445,351.71 = 179,480.20 : x
  2. Step 2: Convert to fraction form
    322,723.21/445,351.71 = 179,480.20/x
  3. Step 3: Cross multiply
    322,723.21x = 445,351.71 × 179,480.20
  4. Step 4: Simplify right side
    322,723.21x = 79,931,813,981.14
  5. Step 5: Solve for x
    x = 79,931,813,981.14/322,723.21
  6. Step 6: Final answer
    x = 247,679.16

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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.