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Finding the Fourth Proportional to 341,978.22, 512,976.04 and 162,021.47

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Solution

The fourth proportional to 341,978.22, 512,976.04 and 162,021.47 is: 243,036.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,978.22 : 512,976.04 = 162,021.47 : x
  2. Step 2: Convert to fraction form
    341,978.22/512,976.04 = 162,021.47/x
  3. Step 3: Cross multiply
    341,978.22x = 512,976.04 × 162,021.47
  4. Step 4: Simplify right side
    341,978.22x = 83,113,129,105.64
  5. Step 5: Solve for x
    x = 83,113,129,105.64/341,978.22
  6. Step 6: Final answer
    x = 243,036.32

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