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Finding the Fourth Proportional to 351,388.18, 484,915.90 and 190,243.28

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Solution

The fourth proportional to 351,388.18, 484,915.90 and 190,243.28 is: 262,535.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,388.18 : 484,915.90 = 190,243.28 : x
  2. Step 2: Convert to fraction form
    351,388.18/484,915.90 = 190,243.28/x
  3. Step 3: Cross multiply
    351,388.18x = 484,915.90 × 190,243.28
  4. Step 4: Simplify right side
    351,388.18x = 92,251,991,340.15
  5. Step 5: Solve for x
    x = 92,251,991,340.15/351,388.18
  6. Step 6: Final answer
    x = 262,535.84

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