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Finding the Fourth Proportional to 368,159.40, 551,850.30 and 210,047.40

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Solution

The fourth proportional to 368,159.40, 551,850.30 and 210,047.40 is: 314,849.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,159.40 : 551,850.30 = 210,047.40 : x
  2. Step 2: Convert to fraction form
    368,159.40/551,850.30 = 210,047.40/x
  3. Step 3: Cross multiply
    368,159.40x = 551,850.30 × 210,047.40
  4. Step 4: Simplify right side
    368,159.40x = 115,914,720,704.22
  5. Step 5: Solve for x
    x = 115,914,720,704.22/368,159.40
  6. Step 6: Final answer
    x = 314,849.28

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