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Finding the Fourth Proportional to 299,553.60, 449,205.44 and 121,940.04

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Solution

The fourth proportional to 299,553.60, 449,205.44 and 121,940.04 is: 182,859.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,553.60 : 449,205.44 = 121,940.04 : x
  2. Step 2: Convert to fraction form
    299,553.60/449,205.44 = 121,940.04/x
  3. Step 3: Cross multiply
    299,553.60x = 449,205.44 × 121,940.04
  4. Step 4: Simplify right side
    299,553.60x = 54,776,129,321.82
  5. Step 5: Solve for x
    x = 54,776,129,321.82/299,553.60
  6. Step 6: Final answer
    x = 182,859.19

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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.