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Finding the Fourth Proportional to 329,161.32, 493,264.89 and 139,359.69

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Solution

The fourth proportional to 329,161.32, 493,264.89 and 139,359.69 is: 208,837.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,161.32 : 493,264.89 = 139,359.69 : x
  2. Step 2: Convert to fraction form
    329,161.32/493,264.89 = 139,359.69/x
  3. Step 3: Cross multiply
    329,161.32x = 493,264.89 × 139,359.69
  4. Step 4: Simplify right side
    329,161.32x = 68,741,242,158.28
  5. Step 5: Solve for x
    x = 68,741,242,158.28/329,161.32
  6. Step 6: Final answer
    x = 208,837.55

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