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Finding the Fourth Proportional to 289,495.89, 399,655.55 and 224,820.02

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Solution

The fourth proportional to 289,495.89, 399,655.55 and 224,820.02 is: 310,369.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,495.89 : 399,655.55 = 224,820.02 : x
  2. Step 2: Convert to fraction form
    289,495.89/399,655.55 = 224,820.02/x
  3. Step 3: Cross multiply
    289,495.89x = 399,655.55 × 224,820.02
  4. Step 4: Simplify right side
    289,495.89x = 89,850,570,305.30
  5. Step 5: Solve for x
    x = 89,850,570,305.30/289,495.89
  6. Step 6: Final answer
    x = 310,369.07

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