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Finding the Fourth Proportional to 368,451.67, 552,677.64 and 131,780.20

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Solution

The fourth proportional to 368,451.67, 552,677.64 and 131,780.20 is: 197,670.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,451.67 : 552,677.64 = 131,780.20 : x
  2. Step 2: Convert to fraction form
    368,451.67/552,677.64 = 131,780.20/x
  3. Step 3: Cross multiply
    368,451.67x = 552,677.64 × 131,780.20
  4. Step 4: Simplify right side
    368,451.67x = 72,831,969,934.73
  5. Step 5: Solve for x
    x = 72,831,969,934.73/368,451.67
  6. Step 6: Final answer
    x = 197,670.35

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