Home / 379,202.39-568,664.05-154,440.75

Finding the Fourth Proportional to 379,202.39, 568,664.05 and 154,440.75

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Solution

The fourth proportional to 379,202.39, 568,664.05 and 154,440.75 is: 231,604.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,202.39 : 568,664.05 = 154,440.75 : x
  2. Step 2: Convert to fraction form
    379,202.39/568,664.05 = 154,440.75/x
  3. Step 3: Cross multiply
    379,202.39x = 568,664.05 × 154,440.75
  4. Step 4: Simplify right side
    379,202.39x = 87,824,901,993.94
  5. Step 5: Solve for x
    x = 87,824,901,993.94/379,202.39
  6. Step 6: Final answer
    x = 231,604.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.