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Finding the Fourth Proportional to 325,411.20, 488,359.80 and 167,558.40

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Solution

The fourth proportional to 325,411.20, 488,359.80 and 167,558.40 is: 251,462.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,411.20 : 488,359.80 = 167,558.40 : x
  2. Step 2: Convert to fraction form
    325,411.20/488,359.80 = 167,558.40/x
  3. Step 3: Cross multiply
    325,411.20x = 488,359.80 × 167,558.40
  4. Step 4: Simplify right side
    325,411.20x = 81,828,786,712.32
  5. Step 5: Solve for x
    x = 81,828,786,712.32/325,411.20
  6. Step 6: Final answer
    x = 251,462.72

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