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Finding the Fourth Proportional to 341,567.60, 512,351.40 and 208,857.20

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Solution

The fourth proportional to 341,567.60, 512,351.40 and 208,857.20 is: 313,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,567.60 : 512,351.40 = 208,857.20 : x
  2. Step 2: Convert to fraction form
    341,567.60/512,351.40 = 208,857.20/x
  3. Step 3: Cross multiply
    341,567.60x = 512,351.40 × 208,857.20
  4. Step 4: Simplify right side
    341,567.60x = 107,008,278,820.08
  5. Step 5: Solve for x
    x = 107,008,278,820.08/341,567.60
  6. Step 6: Final answer
    x = 313,285.80

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