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Finding the Fourth Proportional to 456,203.20, 684,013.20 and 190,069.60

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Solution

The fourth proportional to 456,203.20, 684,013.20 and 190,069.60 is: 284,982.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,203.20 : 684,013.20 = 190,069.60 : x
  2. Step 2: Convert to fraction form
    456,203.20/684,013.20 = 190,069.60/x
  3. Step 3: Cross multiply
    456,203.20x = 684,013.20 × 190,069.60
  4. Step 4: Simplify right side
    456,203.20x = 130,010,115,318.72
  5. Step 5: Solve for x
    x = 130,010,115,318.72/456,203.20
  6. Step 6: Final answer
    x = 284,982.91

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