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Finding the Fourth Proportional to 303,764.20, 455,646.30 and 163,796.20

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Solution

The fourth proportional to 303,764.20, 455,646.30 and 163,796.20 is: 245,694.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,764.20 : 455,646.30 = 163,796.20 : x
  2. Step 2: Convert to fraction form
    303,764.20/455,646.30 = 163,796.20/x
  3. Step 3: Cross multiply
    303,764.20x = 455,646.30 × 163,796.20
  4. Step 4: Simplify right side
    303,764.20x = 74,633,132,484.06
  5. Step 5: Solve for x
    x = 74,633,132,484.06/303,764.20
  6. Step 6: Final answer
    x = 245,694.30

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