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Finding the Fourth Proportional to 299,656.43, 449,481.56 and 173,216.22

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Solution

The fourth proportional to 299,656.43, 449,481.56 and 173,216.22 is: 259,822.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,656.43 : 449,481.56 = 173,216.22 : x
  2. Step 2: Convert to fraction form
    299,656.43/449,481.56 = 173,216.22/x
  3. Step 3: Cross multiply
    299,656.43x = 449,481.56 × 173,216.22
  4. Step 4: Simplify right side
    299,656.43x = 77,857,496,759.60
  5. Step 5: Solve for x
    x = 77,857,496,759.60/299,656.43
  6. Step 6: Final answer
    x = 259,822.55

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1.5x scale

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.