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Finding the Fourth Proportional to 299,991.80, 450,102.90 and 295,268.60

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Solution

The fourth proportional to 299,991.80, 450,102.90 and 295,268.60 is: 443,016.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,991.80 : 450,102.90 = 295,268.60 : x
  2. Step 2: Convert to fraction form
    299,991.80/450,102.90 = 295,268.60/x
  3. Step 3: Cross multiply
    299,991.80x = 450,102.90 × 295,268.60
  4. Step 4: Simplify right side
    299,991.80x = 132,901,253,138.94
  5. Step 5: Solve for x
    x = 132,901,253,138.94/299,991.80
  6. Step 6: Final answer
    x = 443,016.29

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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.