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Finding the Fourth Proportional to 483,918, 667,806.84 and 271,950

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Solution

The fourth proportional to 483,918, 667,806.84 and 271,950 is: 375,291

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,918 : 667,806.84 = 271,950 : x
  2. Step 2: Convert to fraction form
    483,918/667,806.84 = 271,950/x
  3. Step 3: Cross multiply
    483,918x = 667,806.84 × 271,950
  4. Step 4: Simplify right side
    483,918x = 181,610,070,138
  5. Step 5: Solve for x
    x = 181,610,070,138/483,918
  6. Step 6: Final answer
    x = 375,291

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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.