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Finding the Fourth Proportional to 268,569.40, 402,416.70 and 197,710.60

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Solution

The fourth proportional to 268,569.40, 402,416.70 and 197,710.60 is: 296,243.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,569.40 : 402,416.70 = 197,710.60 : x
  2. Step 2: Convert to fraction form
    268,569.40/402,416.70 = 197,710.60/x
  3. Step 3: Cross multiply
    268,569.40x = 402,416.70 × 197,710.60
  4. Step 4: Simplify right side
    268,569.40x = 79,562,047,207.02
  5. Step 5: Solve for x
    x = 79,562,047,207.02/268,569.40
  6. Step 6: Final answer
    x = 296,243.90

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