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Finding the Fourth Proportional to 574,115.68, 861,204.48 and 174,769.12

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Solution

The fourth proportional to 574,115.68, 861,204.48 and 174,769.12 is: 262,163.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,115.68 : 861,204.48 = 174,769.12 : x
  2. Step 2: Convert to fraction form
    574,115.68/861,204.48 = 174,769.12/x
  3. Step 3: Cross multiply
    574,115.68x = 861,204.48 × 174,769.12
  4. Step 4: Simplify right side
    574,115.68x = 150,511,949,109.66
  5. Step 5: Solve for x
    x = 150,511,949,109.66/574,115.68
  6. Step 6: Final answer
    x = 262,163.10

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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.