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Finding the Fourth Proportional to 481,350.52, 664,268.94 and 266,494.12

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Solution

The fourth proportional to 481,350.52, 664,268.94 and 266,494.12 is: 367,764.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,350.52 : 664,268.94 = 266,494.12 : x
  2. Step 2: Convert to fraction form
    481,350.52/664,268.94 = 266,494.12/x
  3. Step 3: Cross multiply
    481,350.52x = 664,268.94 × 266,494.12
  4. Step 4: Simplify right side
    481,350.52x = 177,023,766,608.63
  5. Step 5: Solve for x
    x = 177,023,766,608.63/481,350.52
  6. Step 6: Final answer
    x = 367,764.78

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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.