Home / 254,996.72-381,747.36-178,831.28

Finding the Fourth Proportional to 254,996.72, 381,747.36 and 178,831.28

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Solution

The fourth proportional to 254,996.72, 381,747.36 and 178,831.28 is: 267,722.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,996.72 : 381,747.36 = 178,831.28 : x
  2. Step 2: Convert to fraction form
    254,996.72/381,747.36 = 178,831.28/x
  3. Step 3: Cross multiply
    254,996.72x = 381,747.36 × 178,831.28
  4. Step 4: Simplify right side
    254,996.72x = 68,268,369,025.42
  5. Step 5: Solve for x
    x = 68,268,369,025.42/254,996.72
  6. Step 6: Final answer
    x = 267,722.54

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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.