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Finding the Fourth Proportional to 389,065.25, 536,951.33 and 228,055.58

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Solution

The fourth proportional to 389,065.25, 536,951.33 and 228,055.58 is: 314,740.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,065.25 : 536,951.33 = 228,055.58 : x
  2. Step 2: Convert to fraction form
    389,065.25/536,951.33 = 228,055.58/x
  3. Step 3: Cross multiply
    389,065.25x = 536,951.33 × 228,055.58
  4. Step 4: Simplify right side
    389,065.25x = 122,454,743,169.89
  5. Step 5: Solve for x
    x = 122,454,743,169.89/389,065.25
  6. Step 6: Final answer
    x = 314,740.89

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