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Finding the Fourth Proportional to 336,682.20, 505,023.30 and 87,364.20

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Solution

The fourth proportional to 336,682.20, 505,023.30 and 87,364.20 is: 131,046.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,682.20 : 505,023.30 = 87,364.20 : x
  2. Step 2: Convert to fraction form
    336,682.20/505,023.30 = 87,364.20/x
  3. Step 3: Cross multiply
    336,682.20x = 505,023.30 × 87,364.20
  4. Step 4: Simplify right side
    336,682.20x = 44,120,956,585.86
  5. Step 5: Solve for x
    x = 44,120,956,585.86/336,682.20
  6. Step 6: Final answer
    x = 131,046.30

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