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Finding the Fourth Proportional to 309,279.58, 426,798.53 and 181,963.34

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Solution

The fourth proportional to 309,279.58, 426,798.53 and 181,963.34 is: 251,105.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,279.58 : 426,798.53 = 181,963.34 : x
  2. Step 2: Convert to fraction form
    309,279.58/426,798.53 = 181,963.34/x
  3. Step 3: Cross multiply
    309,279.58x = 426,798.53 × 181,963.34
  4. Step 4: Simplify right side
    309,279.58x = 77,661,686,025.89
  5. Step 5: Solve for x
    x = 77,661,686,025.89/309,279.58
  6. Step 6: Final answer
    x = 251,105.12

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