Home / 451,178.26-622,617.76-267,540.36

Finding the Fourth Proportional to 451,178.26, 622,617.76 and 267,540.36

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Solution

The fourth proportional to 451,178.26, 622,617.76 and 267,540.36 is: 369,200.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,178.26 : 622,617.76 = 267,540.36 : x
  2. Step 2: Convert to fraction form
    451,178.26/622,617.76 = 267,540.36/x
  3. Step 3: Cross multiply
    451,178.26x = 622,617.76 × 267,540.36
  4. Step 4: Simplify right side
    451,178.26x = 166,575,379,652.79
  5. Step 5: Solve for x
    x = 166,575,379,652.79/451,178.26
  6. Step 6: Final answer
    x = 369,200.81

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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.