Home / 322,569.38-445,120.53-179,320.70

Finding the Fourth Proportional to 322,569.38, 445,120.53 and 179,320.70

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Solution

The fourth proportional to 322,569.38, 445,120.53 and 179,320.70 is: 247,448.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,569.38 : 445,120.53 = 179,320.70 : x
  2. Step 2: Convert to fraction form
    322,569.38/445,120.53 = 179,320.70/x
  3. Step 3: Cross multiply
    322,569.38x = 445,120.53 × 179,320.70
  4. Step 4: Simplify right side
    322,569.38x = 79,819,325,023.97
  5. Step 5: Solve for x
    x = 79,819,325,023.97/322,569.38
  6. Step 6: Final answer
    x = 247,448.55

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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.