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Finding the Fourth Proportional to 289,326.59, 399,224.18 and 181,820.51

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Solution

The fourth proportional to 289,326.59, 399,224.18 and 181,820.51 is: 250,883.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,326.59 : 399,224.18 = 181,820.51 : x
  2. Step 2: Convert to fraction form
    289,326.59/399,224.18 = 181,820.51/x
  3. Step 3: Cross multiply
    289,326.59x = 399,224.18 × 181,820.51
  4. Step 4: Simplify right side
    289,326.59x = 72,587,143,967.45
  5. Step 5: Solve for x
    x = 72,587,143,967.45/289,326.59
  6. Step 6: Final answer
    x = 250,883.07

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