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Finding the Fourth Proportional to 421,425.36, 632,200.92 and 155,165.40

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Solution

The fourth proportional to 421,425.36, 632,200.92 and 155,165.40 is: 232,771.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,425.36 : 632,200.92 = 155,165.40 : x
  2. Step 2: Convert to fraction form
    421,425.36/632,200.92 = 155,165.40/x
  3. Step 3: Cross multiply
    421,425.36x = 632,200.92 × 155,165.40
  4. Step 4: Simplify right side
    421,425.36x = 98,095,708,632.17
  5. Step 5: Solve for x
    x = 98,095,708,632.17/421,425.36
  6. Step 6: Final answer
    x = 232,771.25

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