Home / 330,025.12-494,958.37-152,361.48

Finding the Fourth Proportional to 330,025.12, 494,958.37 and 152,361.48

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Solution

The fourth proportional to 330,025.12, 494,958.37 and 152,361.48 is: 228,505.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,025.12 : 494,958.37 = 152,361.48 : x
  2. Step 2: Convert to fraction form
    330,025.12/494,958.37 = 152,361.48/x
  3. Step 3: Cross multiply
    330,025.12x = 494,958.37 × 152,361.48
  4. Step 4: Simplify right side
    330,025.12x = 75,412,589,791.59
  5. Step 5: Solve for x
    x = 75,412,589,791.59/330,025.12
  6. Step 6: Final answer
    x = 228,505.61

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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.