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Finding the Fourth Proportional to 373,947.20, 561,115.20 and 163,606.40

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Solution

The fourth proportional to 373,947.20, 561,115.20 and 163,606.40 is: 245,494.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,947.20 : 561,115.20 = 163,606.40 : x
  2. Step 2: Convert to fraction form
    373,947.20/561,115.20 = 163,606.40/x
  3. Step 3: Cross multiply
    373,947.20x = 561,115.20 × 163,606.40
  4. Step 4: Simplify right side
    373,947.20x = 91,802,037,857.28
  5. Step 5: Solve for x
    x = 91,802,037,857.28/373,947.20
  6. Step 6: Final answer
    x = 245,494.65

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