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Finding the Fourth Proportional to 263,596.94, 395,789.97 and 228,167.90

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Solution

The fourth proportional to 263,596.94, 395,789.97 and 228,167.90 is: 342,593.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,596.94 : 395,789.97 = 228,167.90 : x
  2. Step 2: Convert to fraction form
    263,596.94/395,789.97 = 228,167.90/x
  3. Step 3: Cross multiply
    263,596.94x = 395,789.97 × 228,167.90
  4. Step 4: Simplify right side
    263,596.94x = 90,306,566,295.96
  5. Step 5: Solve for x
    x = 90,306,566,295.96/263,596.94
  6. Step 6: Final answer
    x = 342,593.38

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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.