Home / 299,942.60-449,743.80-122,241.56

Finding the Fourth Proportional to 299,942.60, 449,743.80 and 122,241.56

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Solution

The fourth proportional to 299,942.60, 449,743.80 and 122,241.56 is: 183,293.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,942.60 : 449,743.80 = 122,241.56 : x
  2. Step 2: Convert to fraction form
    299,942.60/449,743.80 = 122,241.56/x
  3. Step 3: Cross multiply
    299,942.60x = 449,743.80 × 122,241.56
  4. Step 4: Simplify right side
    299,942.60x = 54,977,383,712.33
  5. Step 5: Solve for x
    x = 54,977,383,712.33/299,942.60
  6. Step 6: Final answer
    x = 183,293.02

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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.