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Finding the Fourth Proportional to 317,234.62, 475,661.84 and 100,999.90

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Solution

The fourth proportional to 317,234.62, 475,661.84 and 100,999.90 is: 151,439.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,234.62 : 475,661.84 = 100,999.90 : x
  2. Step 2: Convert to fraction form
    317,234.62/475,661.84 = 100,999.90/x
  3. Step 3: Cross multiply
    317,234.62x = 475,661.84 × 100,999.90
  4. Step 4: Simplify right side
    317,234.62x = 48,041,798,273.82
  5. Step 5: Solve for x
    x = 48,041,798,273.82/317,234.62
  6. Step 6: Final answer
    x = 151,439.33

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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.