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Finding the Fourth Proportional to 263,878.78, 395,917.80 and 158,771.56

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Solution

The fourth proportional to 263,878.78, 395,917.80 and 158,771.56 is: 238,217.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,878.78 : 395,917.80 = 158,771.56 : x
  2. Step 2: Convert to fraction form
    263,878.78/395,917.80 = 158,771.56/x
  3. Step 3: Cross multiply
    263,878.78x = 395,917.80 × 158,771.56
  4. Step 4: Simplify right side
    263,878.78x = 62,860,486,737.77
  5. Step 5: Solve for x
    x = 62,860,486,737.77/263,878.78
  6. Step 6: Final answer
    x = 238,217.29

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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.