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Finding the Fourth Proportional to 317,074.20, 475,313.49 and 106,564.92

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Solution

The fourth proportional to 317,074.20, 475,313.49 and 106,564.92 is: 159,747.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,074.20 : 475,313.49 = 106,564.92 : x
  2. Step 2: Convert to fraction form
    317,074.20/475,313.49 = 106,564.92/x
  3. Step 3: Cross multiply
    317,074.20x = 475,313.49 × 106,564.92
  4. Step 4: Simplify right side
    317,074.20x = 50,651,744,036.77
  5. Step 5: Solve for x
    x = 50,651,744,036.77/317,074.20
  6. Step 6: Final answer
    x = 159,747.29

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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.