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Finding the Fourth Proportional to 472,825.20, 709,084.20 and 157,228.40

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Solution

The fourth proportional to 472,825.20, 709,084.20 and 157,228.40 is: 235,791.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,825.20 : 709,084.20 = 157,228.40 : x
  2. Step 2: Convert to fraction form
    472,825.20/709,084.20 = 157,228.40/x
  3. Step 3: Cross multiply
    472,825.20x = 709,084.20 × 157,228.40
  4. Step 4: Simplify right side
    472,825.20x = 111,488,174,231.28
  5. Step 5: Solve for x
    x = 111,488,174,231.28/472,825.20
  6. Step 6: Final answer
    x = 235,791.52

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