Home / 431,164.23-646,716.24-161,241.03

Finding the Fourth Proportional to 431,164.23, 646,716.24 and 161,241.03

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Solution

The fourth proportional to 431,164.23, 646,716.24 and 161,241.03 is: 241,850.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,164.23 : 646,716.24 = 161,241.03 : x
  2. Step 2: Convert to fraction form
    431,164.23/646,716.24 = 161,241.03/x
  3. Step 3: Cross multiply
    431,164.23x = 646,716.24 × 161,241.03
  4. Step 4: Simplify right side
    431,164.23x = 104,277,192,655.33
  5. Step 5: Solve for x
    x = 104,277,192,655.33/431,164.23
  6. Step 6: Final answer
    x = 241,850.29

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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.