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Finding the Fourth Proportional to 279,092.62, 385,257.37 and 197,845.54

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Solution

The fourth proportional to 279,092.62, 385,257.37 and 197,845.54 is: 273,104.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,092.62 : 385,257.37 = 197,845.54 : x
  2. Step 2: Convert to fraction form
    279,092.62/385,257.37 = 197,845.54/x
  3. Step 3: Cross multiply
    279,092.62x = 385,257.37 × 197,845.54
  4. Step 4: Simplify right side
    279,092.62x = 76,221,452,406.63
  5. Step 5: Solve for x
    x = 76,221,452,406.63/279,092.62
  6. Step 6: Final answer
    x = 273,104.51

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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.