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Finding the Fourth Proportional to 483,882.32, 667,774.77 and 266,107.55

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Solution

The fourth proportional to 483,882.32, 667,774.77 and 266,107.55 is: 367,237.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,882.32 : 667,774.77 = 266,107.55 : x
  2. Step 2: Convert to fraction form
    483,882.32/667,774.77 = 266,107.55/x
  3. Step 3: Cross multiply
    483,882.32x = 667,774.77 × 266,107.55
  4. Step 4: Simplify right side
    483,882.32x = 177,699,904,657.64
  5. Step 5: Solve for x
    x = 177,699,904,657.64/483,882.32
  6. Step 6: Final answer
    x = 367,237.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.