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Finding the Fourth Proportional to 368,077.80, 552,116.70 and 256,103.40

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Solution

The fourth proportional to 368,077.80, 552,116.70 and 256,103.40 is: 384,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,077.80 : 552,116.70 = 256,103.40 : x
  2. Step 2: Convert to fraction form
    368,077.80/552,116.70 = 256,103.40/x
  3. Step 3: Cross multiply
    368,077.80x = 552,116.70 × 256,103.40
  4. Step 4: Simplify right side
    368,077.80x = 141,398,964,066.78
  5. Step 5: Solve for x
    x = 141,398,964,066.78/368,077.80
  6. Step 6: Final answer
    x = 384,155.10

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