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Finding the Fourth Proportional to 289,600.32, 399,664.44 and 162,316.80

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Solution

The fourth proportional to 289,600.32, 399,664.44 and 162,316.80 is: 224,006.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,600.32 : 399,664.44 = 162,316.80 : x
  2. Step 2: Convert to fraction form
    289,600.32/399,664.44 = 162,316.80/x
  3. Step 3: Cross multiply
    289,600.32x = 399,664.44 × 162,316.80
  4. Step 4: Simplify right side
    289,600.32x = 64,872,252,974.59
  5. Step 5: Solve for x
    x = 64,872,252,974.59/289,600.32
  6. Step 6: Final answer
    x = 224,006.15

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