Home / 325,485.26-449,174.28-187,661.43

Finding the Fourth Proportional to 325,485.26, 449,174.28 and 187,661.43

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Solution

The fourth proportional to 325,485.26, 449,174.28 and 187,661.43 is: 258,975.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,485.26 : 449,174.28 = 187,661.43 : x
  2. Step 2: Convert to fraction form
    325,485.26/449,174.28 = 187,661.43/x
  3. Step 3: Cross multiply
    325,485.26x = 449,174.28 × 187,661.43
  4. Step 4: Simplify right side
    325,485.26x = 84,292,687,704.02
  5. Step 5: Solve for x
    x = 84,292,687,704.02/325,485.26
  6. Step 6: Final answer
    x = 258,975.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.