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Finding the Fourth Proportional to 551,433.10, 827,149.65 and 271,497.10

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Solution

The fourth proportional to 551,433.10, 827,149.65 and 271,497.10 is: 407,245.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,433.10 : 827,149.65 = 271,497.10 : x
  2. Step 2: Convert to fraction form
    551,433.10/827,149.65 = 271,497.10/x
  3. Step 3: Cross multiply
    551,433.10x = 827,149.65 × 271,497.10
  4. Step 4: Simplify right side
    551,433.10x = 224,568,731,241.02
  5. Step 5: Solve for x
    x = 224,568,731,241.02/551,433.10
  6. Step 6: Final answer
    x = 407,245.65

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Similar ratio
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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.