Home / 321,028.36-443,003.32-175,834.78

Finding the Fourth Proportional to 321,028.36, 443,003.32 and 175,834.78

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Solution

The fourth proportional to 321,028.36, 443,003.32 and 175,834.78 is: 242,643.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,028.36 : 443,003.32 = 175,834.78 : x
  2. Step 2: Convert to fraction form
    321,028.36/443,003.32 = 175,834.78/x
  3. Step 3: Cross multiply
    321,028.36x = 443,003.32 × 175,834.78
  4. Step 4: Simplify right side
    321,028.36x = 77,895,391,311.47
  5. Step 5: Solve for x
    x = 77,895,391,311.47/321,028.36
  6. Step 6: Final answer
    x = 242,643.33

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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.