Home / 276,831.88-381,918.64-174,819.28

Finding the Fourth Proportional to 276,831.88, 381,918.64 and 174,819.28

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Solution

The fourth proportional to 276,831.88, 381,918.64 and 174,819.28 is: 241,181.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,831.88 : 381,918.64 = 174,819.28 : x
  2. Step 2: Convert to fraction form
    276,831.88/381,918.64 = 174,819.28/x
  3. Step 3: Cross multiply
    276,831.88x = 381,918.64 × 174,819.28
  4. Step 4: Simplify right side
    276,831.88x = 66,766,741,663.38
  5. Step 5: Solve for x
    x = 66,766,741,663.38/276,831.88
  6. Step 6: Final answer
    x = 241,181.55

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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.