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Finding the Fourth Proportional to 391,934.68, 540,854.54 and 222,165.16

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Solution

The fourth proportional to 391,934.68, 540,854.54 and 222,165.16 is: 306,579.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,934.68 : 540,854.54 = 222,165.16 : x
  2. Step 2: Convert to fraction form
    391,934.68/540,854.54 = 222,165.16/x
  3. Step 3: Cross multiply
    391,934.68x = 540,854.54 × 222,165.16
  4. Step 4: Simplify right side
    391,934.68x = 120,159,035,415.83
  5. Step 5: Solve for x
    x = 120,159,035,415.83/391,934.68
  6. Step 6: Final answer
    x = 306,579.24

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