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Finding the Fourth Proportional to 317,027.86, 475,244.11 and 106,518.58

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Solution

The fourth proportional to 317,027.86, 475,244.11 and 106,518.58 is: 159,677.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,027.86 : 475,244.11 = 106,518.58 : x
  2. Step 2: Convert to fraction form
    317,027.86/475,244.11 = 106,518.58/x
  3. Step 3: Cross multiply
    317,027.86x = 475,244.11 × 106,518.58
  4. Step 4: Simplify right side
    317,027.86x = 50,622,327,750.56
  5. Step 5: Solve for x
    x = 50,622,327,750.56/317,027.86
  6. Step 6: Final answer
    x = 159,677.85

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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.