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Finding the Fourth Proportional to 368,281.80, 552,422.70 and 190,843.20

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Solution

The fourth proportional to 368,281.80, 552,422.70 and 190,843.20 is: 286,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,281.80 : 552,422.70 = 190,843.20 : x
  2. Step 2: Convert to fraction form
    368,281.80/552,422.70 = 190,843.20/x
  3. Step 3: Cross multiply
    368,281.80x = 552,422.70 × 190,843.20
  4. Step 4: Simplify right side
    368,281.80x = 105,426,115,820.64
  5. Step 5: Solve for x
    x = 105,426,115,820.64/368,281.80
  6. Step 6: Final answer
    x = 286,264.80

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