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Finding the Fourth Proportional to 312,484.20, 468,872.08 and 186,120.96

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Solution

The fourth proportional to 312,484.20, 468,872.08 and 186,120.96 is: 279,268.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,484.20 : 468,872.08 = 186,120.96 : x
  2. Step 2: Convert to fraction form
    312,484.20/468,872.08 = 186,120.96/x
  3. Step 3: Cross multiply
    312,484.20x = 468,872.08 × 186,120.96
  4. Step 4: Simplify right side
    312,484.20x = 87,266,921,646.80
  5. Step 5: Solve for x
    x = 87,266,921,646.80/312,484.20
  6. Step 6: Final answer
    x = 279,268.27

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