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Finding the Fourth Proportional to 380,428.89, 570,738.11 and 114,194.31

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Solution

The fourth proportional to 380,428.89, 570,738.11 and 114,194.31 is: 171,319.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,428.89 : 570,738.11 = 114,194.31 : x
  2. Step 2: Convert to fraction form
    380,428.89/570,738.11 = 114,194.31/x
  3. Step 3: Cross multiply
    380,428.89x = 570,738.11 × 114,194.31
  4. Step 4: Simplify right side
    380,428.89x = 65,175,044,091.18
  5. Step 5: Solve for x
    x = 65,175,044,091.18/380,428.89
  6. Step 6: Final answer
    x = 171,319.91

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