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Finding the Fourth Proportional to 268,599.40, 402,461.70 and 197,740.60

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Solution

The fourth proportional to 268,599.40, 402,461.70 and 197,740.60 is: 296,288.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,599.40 : 402,461.70 = 197,740.60 : x
  2. Step 2: Convert to fraction form
    268,599.40/402,461.70 = 197,740.60/x
  3. Step 3: Cross multiply
    268,599.40x = 402,461.70 × 197,740.60
  4. Step 4: Simplify right side
    268,599.40x = 79,583,018,035.02
  5. Step 5: Solve for x
    x = 79,583,018,035.02/268,599.40
  6. Step 6: Final answer
    x = 296,288.89

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