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Finding the Fourth Proportional to 231,715.80, 347,573.70 and 98,600.40

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Solution

The fourth proportional to 231,715.80, 347,573.70 and 98,600.40 is: 147,900.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,715.80 : 347,573.70 = 98,600.40 : x
  2. Step 2: Convert to fraction form
    231,715.80/347,573.70 = 98,600.40/x
  3. Step 3: Cross multiply
    231,715.80x = 347,573.70 × 98,600.40
  4. Step 4: Simplify right side
    231,715.80x = 34,270,905,849.48
  5. Step 5: Solve for x
    x = 34,270,905,849.48/231,715.80
  6. Step 6: Final answer
    x = 147,900.60

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