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Finding the Fourth Proportional to 355,086.40, 532,629.60 and 102,366.40

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Solution

The fourth proportional to 355,086.40, 532,629.60 and 102,366.40 is: 153,549.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,086.40 : 532,629.60 = 102,366.40 : x
  2. Step 2: Convert to fraction form
    355,086.40/532,629.60 = 102,366.40/x
  3. Step 3: Cross multiply
    355,086.40x = 532,629.60 × 102,366.40
  4. Step 4: Simplify right side
    355,086.40x = 54,523,374,685.44
  5. Step 5: Solve for x
    x = 54,523,374,685.44/355,086.40
  6. Step 6: Final answer
    x = 153,549.60

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