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Finding the Fourth Proportional to 346,138.09, 477,676.79 and 203,001.37

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Solution

The fourth proportional to 346,138.09, 477,676.79 and 203,001.37 is: 280,145.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,138.09 : 477,676.79 = 203,001.37 : x
  2. Step 2: Convert to fraction form
    346,138.09/477,676.79 = 203,001.37/x
  3. Step 3: Cross multiply
    346,138.09x = 477,676.79 × 203,001.37
  4. Step 4: Simplify right side
    346,138.09x = 96,969,042,787.20
  5. Step 5: Solve for x
    x = 96,969,042,787.20/346,138.09
  6. Step 6: Final answer
    x = 280,145.54

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