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Finding the Fourth Proportional to 355,612.60, 534,033.30 and 189,724.60

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Solution

The fourth proportional to 355,612.60, 534,033.30 and 189,724.60 is: 284,914.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,612.60 : 534,033.30 = 189,724.60 : x
  2. Step 2: Convert to fraction form
    355,612.60/534,033.30 = 189,724.60/x
  3. Step 3: Cross multiply
    355,612.60x = 534,033.30 × 189,724.60
  4. Step 4: Simplify right side
    355,612.60x = 101,319,254,229.18
  5. Step 5: Solve for x
    x = 101,319,254,229.18/355,612.60
  6. Step 6: Final answer
    x = 284,914.69

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