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Finding the Fourth Proportional to 211,626, 317,439 and 63,882

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Solution

The fourth proportional to 211,626, 317,439 and 63,882 is: 95,823

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,626 : 317,439 = 63,882 : x
  2. Step 2: Convert to fraction form
    211,626/317,439 = 63,882/x
  3. Step 3: Cross multiply
    211,626x = 317,439 × 63,882
  4. Step 4: Simplify right side
    211,626x = 20,278,638,198
  5. Step 5: Solve for x
    x = 20,278,638,198/211,626
  6. Step 6: Final answer
    x = 95,823

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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.