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Finding the Fourth Proportional to 311,791.25, 467,735.87 and 101,379.98

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Solution

The fourth proportional to 311,791.25, 467,735.87 and 101,379.98 is: 152,085.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,791.25 : 467,735.87 = 101,379.98 : x
  2. Step 2: Convert to fraction form
    311,791.25/467,735.87 = 101,379.98/x
  3. Step 3: Cross multiply
    311,791.25x = 467,735.87 × 101,379.98
  4. Step 4: Simplify right side
    311,791.25x = 47,419,050,300.30
  5. Step 5: Solve for x
    x = 47,419,050,300.30/311,791.25
  6. Step 6: Final answer
    x = 152,085.89

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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.