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Finding the Fourth Proportional to 245,452.77, 338,577.84 and 149,793.39

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Solution

The fourth proportional to 245,452.77, 338,577.84 and 149,793.39 is: 206,625.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,452.77 : 338,577.84 = 149,793.39 : x
  2. Step 2: Convert to fraction form
    245,452.77/338,577.84 = 149,793.39/x
  3. Step 3: Cross multiply
    245,452.77x = 338,577.84 × 149,793.39
  4. Step 4: Simplify right side
    245,452.77x = 50,716,722,432.48
  5. Step 5: Solve for x
    x = 50,716,722,432.48/245,452.77
  6. Step 6: Final answer
    x = 206,625.18

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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.