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Finding the Fourth Proportional to 319,650.80, 479,476.20 and 133,026.80

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Solution

The fourth proportional to 319,650.80, 479,476.20 and 133,026.80 is: 199,540.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,650.80 : 479,476.20 = 133,026.80 : x
  2. Step 2: Convert to fraction form
    319,650.80/479,476.20 = 133,026.80/x
  3. Step 3: Cross multiply
    319,650.80x = 479,476.20 × 133,026.80
  4. Step 4: Simplify right side
    319,650.80x = 63,783,184,562.16
  5. Step 5: Solve for x
    x = 63,783,184,562.16/319,650.80
  6. Step 6: Final answer
    x = 199,540.20

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