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Finding the Fourth Proportional to 299,362.67, 449,115.77 and 99,684.78

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Solution

The fourth proportional to 299,362.67, 449,115.77 and 99,684.78 is: 149,551.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,362.67 : 449,115.77 = 99,684.78 : x
  2. Step 2: Convert to fraction form
    299,362.67/449,115.77 = 99,684.78/x
  3. Step 3: Cross multiply
    299,362.67x = 449,115.77 × 99,684.78
  4. Step 4: Simplify right side
    299,362.67x = 44,770,005,292.01
  5. Step 5: Solve for x
    x = 44,770,005,292.01/299,362.67
  6. Step 6: Final answer
    x = 149,551.06

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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.