Home / 245,732.10-339,028.44-200,331.78

Finding the Fourth Proportional to 245,732.10, 339,028.44 and 200,331.78

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Solution

The fourth proportional to 245,732.10, 339,028.44 and 200,331.78 is: 276,391.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,732.10 : 339,028.44 = 200,331.78 : x
  2. Step 2: Convert to fraction form
    245,732.10/339,028.44 = 200,331.78/x
  3. Step 3: Cross multiply
    245,732.10x = 339,028.44 × 200,331.78
  4. Step 4: Simplify right side
    245,732.10x = 67,918,170,855.82
  5. Step 5: Solve for x
    x = 67,918,170,855.82/245,732.10
  6. Step 6: Final answer
    x = 276,391.12

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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.