Home / 419,317.22-629,076.37-135,034.56

Finding the Fourth Proportional to 419,317.22, 629,076.37 and 135,034.56

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Solution

The fourth proportional to 419,317.22, 629,076.37 and 135,034.56 is: 202,584.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,317.22 : 629,076.37 = 135,034.56 : x
  2. Step 2: Convert to fraction form
    419,317.22/629,076.37 = 135,034.56/x
  3. Step 3: Cross multiply
    419,317.22x = 629,076.37 × 135,034.56
  4. Step 4: Simplify right side
    419,317.22x = 84,947,047,683.97
  5. Step 5: Solve for x
    x = 84,947,047,683.97/419,317.22
  6. Step 6: Final answer
    x = 202,584.21

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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.