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Finding the Fourth Proportional to 463,350, 639,418.68 and 262,146

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Solution

The fourth proportional to 463,350, 639,418.68 and 262,146 is: 361,759.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,350 : 639,418.68 = 262,146 : x
  2. Step 2: Convert to fraction form
    463,350/639,418.68 = 262,146/x
  3. Step 3: Cross multiply
    463,350x = 639,418.68 × 262,146
  4. Step 4: Simplify right side
    463,350x = 167,621,049,287.28
  5. Step 5: Solve for x
    x = 167,621,049,287.28/463,350
  6. Step 6: Final answer
    x = 361,759.04

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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.