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Finding the Fourth Proportional to 268,915.80, 403,373.70 and 174,912.60

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Solution

The fourth proportional to 268,915.80, 403,373.70 and 174,912.60 is: 262,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,915.80 : 403,373.70 = 174,912.60 : x
  2. Step 2: Convert to fraction form
    268,915.80/403,373.70 = 174,912.60/x
  3. Step 3: Cross multiply
    268,915.80x = 403,373.70 × 174,912.60
  4. Step 4: Simplify right side
    268,915.80x = 70,555,142,638.62
  5. Step 5: Solve for x
    x = 70,555,142,638.62/268,915.80
  6. Step 6: Final answer
    x = 262,368.90

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