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Finding the Fourth Proportional to 574,118.68, 861,208.98 and 174,772.12

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Solution

The fourth proportional to 574,118.68, 861,208.98 and 174,772.12 is: 262,167.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,118.68 : 861,208.98 = 174,772.12 : x
  2. Step 2: Convert to fraction form
    574,118.68/861,208.98 = 174,772.12/x
  3. Step 3: Cross multiply
    574,118.68x = 861,208.98 × 174,772.12
  4. Step 4: Simplify right side
    574,118.68x = 150,515,319,197.64
  5. Step 5: Solve for x
    x = 150,515,319,197.64/574,118.68
  6. Step 6: Final answer
    x = 262,167.60

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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.