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Finding the Fourth Proportional to 286,451.07, 395,138.00 and 178,834.28

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Solution

The fourth proportional to 286,451.07, 395,138.00 and 178,834.28 is: 246,688.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,451.07 : 395,138.00 = 178,834.28 : x
  2. Step 2: Convert to fraction form
    286,451.07/395,138.00 = 178,834.28/x
  3. Step 3: Cross multiply
    286,451.07x = 395,138.00 × 178,834.28
  4. Step 4: Simplify right side
    286,451.07x = 70,664,216,860.78
  5. Step 5: Solve for x
    x = 70,664,216,860.78/286,451.07
  6. Step 6: Final answer
    x = 246,688.61

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