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Finding the Fourth Proportional to 245,453.77, 338,579.22 and 149,794.39

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Solution

The fourth proportional to 245,453.77, 338,579.22 and 149,794.39 is: 206,626.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,453.77 : 338,579.22 = 149,794.39 : x
  2. Step 2: Convert to fraction form
    245,453.77/338,579.22 = 149,794.39/x
  3. Step 3: Cross multiply
    245,453.77x = 338,579.22 × 149,794.39
  4. Step 4: Simplify right side
    245,453.77x = 50,717,267,726.58
  5. Step 5: Solve for x
    x = 50,717,267,726.58/245,453.77
  6. Step 6: Final answer
    x = 206,626.56

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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.