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Finding the Fourth Proportional to 305,470.91, 458,272.28 and 92,221.13

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Solution

The fourth proportional to 305,470.91, 458,272.28 and 92,221.13 is: 138,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,470.91 : 458,272.28 = 92,221.13 : x
  2. Step 2: Convert to fraction form
    305,470.91/458,272.28 = 92,221.13/x
  3. Step 3: Cross multiply
    305,470.91x = 458,272.28 × 92,221.13
  4. Step 4: Simplify right side
    305,470.91x = 42,262,388,885.51
  5. Step 5: Solve for x
    x = 42,262,388,885.51/305,470.91
  6. Step 6: Final answer
    x = 138,351.60

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