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Finding the Fourth Proportional to 289,512, 399,526.56 and 162,187.56

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Solution

The fourth proportional to 289,512, 399,526.56 and 162,187.56 is: 223,818.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,512 : 399,526.56 = 162,187.56 : x
  2. Step 2: Convert to fraction form
    289,512/399,526.56 = 162,187.56/x
  3. Step 3: Cross multiply
    289,512x = 399,526.56 × 162,187.56
  4. Step 4: Simplify right side
    289,512x = 64,798,237,921.59
  5. Step 5: Solve for x
    x = 64,798,237,921.59/289,512
  6. Step 6: Final answer
    x = 223,818.83

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