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Finding the Fourth Proportional to 341,978.19, 512,976.05 and 162,021.48

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Solution

The fourth proportional to 341,978.19, 512,976.05 and 162,021.48 is: 243,036.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,978.19 : 512,976.05 = 162,021.48 : x
  2. Step 2: Convert to fraction form
    341,978.19/512,976.05 = 162,021.48/x
  3. Step 3: Cross multiply
    341,978.19x = 512,976.05 × 162,021.48
  4. Step 4: Simplify right side
    341,978.19x = 83,113,138,015.45
  5. Step 5: Solve for x
    x = 83,113,138,015.45/341,978.19
  6. Step 6: Final answer
    x = 243,036.37

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