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Finding the Fourth Proportional to 337,617.52, 465,860.36 and 194,349.78

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Solution

The fourth proportional to 337,617.52, 465,860.36 and 194,349.78 is: 268,172.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,617.52 : 465,860.36 = 194,349.78 : x
  2. Step 2: Convert to fraction form
    337,617.52/465,860.36 = 194,349.78/x
  3. Step 3: Cross multiply
    337,617.52x = 465,860.36 × 194,349.78
  4. Step 4: Simplify right side
    337,617.52x = 90,539,858,962.60
  5. Step 5: Solve for x
    x = 90,539,858,962.60/337,617.52
  6. Step 6: Final answer
    x = 268,172.87

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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.