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Finding the Fourth Proportional to 368,451.40, 552,677.10 and 131,801.80

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Solution

The fourth proportional to 368,451.40, 552,677.10 and 131,801.80 is: 197,702.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,451.40 : 552,677.10 = 131,801.80 : x
  2. Step 2: Convert to fraction form
    368,451.40/552,677.10 = 131,801.80/x
  3. Step 3: Cross multiply
    368,451.40x = 552,677.10 × 131,801.80
  4. Step 4: Simplify right side
    368,451.40x = 72,843,836,598.78
  5. Step 5: Solve for x
    x = 72,843,836,598.78/368,451.40
  6. Step 6: Final answer
    x = 197,702.70

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