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Finding the Fourth Proportional to 263,708.67, 395,519.27 and 95,196.68

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Solution

The fourth proportional to 263,708.67, 395,519.27 and 95,196.68 is: 142,779.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,708.67 : 395,519.27 = 95,196.68 : x
  2. Step 2: Convert to fraction form
    263,708.67/395,519.27 = 95,196.68/x
  3. Step 3: Cross multiply
    263,708.67x = 395,519.27 × 95,196.68
  4. Step 4: Simplify right side
    263,708.67x = 37,652,118,926.44
  5. Step 5: Solve for x
    x = 37,652,118,926.44/263,708.67
  6. Step 6: Final answer
    x = 142,779.22

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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.