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Finding the Fourth Proportional to 347,812.40, 521,718.60 and 161,188.40

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Solution

The fourth proportional to 347,812.40, 521,718.60 and 161,188.40 is: 241,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,812.40 : 521,718.60 = 161,188.40 : x
  2. Step 2: Convert to fraction form
    347,812.40/521,718.60 = 161,188.40/x
  3. Step 3: Cross multiply
    347,812.40x = 521,718.60 × 161,188.40
  4. Step 4: Simplify right side
    347,812.40x = 84,094,986,384.24
  5. Step 5: Solve for x
    x = 84,094,986,384.24/347,812.40
  6. Step 6: Final answer
    x = 241,782.60

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