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Finding the Fourth Proportional to 364,998.60, 547,238.70 and 140,272.20

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Solution

The fourth proportional to 364,998.60, 547,238.70 and 140,272.20 is: 210,308.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,998.60 : 547,238.70 = 140,272.20 : x
  2. Step 2: Convert to fraction form
    364,998.60/547,238.70 = 140,272.20/x
  3. Step 3: Cross multiply
    364,998.60x = 547,238.70 × 140,272.20
  4. Step 4: Simplify right side
    364,998.60x = 76,762,376,374.14
  5. Step 5: Solve for x
    x = 76,762,376,374.14/364,998.60
  6. Step 6: Final answer
    x = 210,308.69

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