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Finding the Fourth Proportional to 368,917.12, 552,488.56 and 210,665.92

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Solution

The fourth proportional to 368,917.12, 552,488.56 and 210,665.92 is: 315,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,917.12 : 552,488.56 = 210,665.92 : x
  2. Step 2: Convert to fraction form
    368,917.12/552,488.56 = 210,665.92/x
  3. Step 3: Cross multiply
    368,917.12x = 552,488.56 × 210,665.92
  4. Step 4: Simplify right side
    368,917.12x = 116,390,510,781.88
  5. Step 5: Solve for x
    x = 116,390,510,781.88/368,917.12
  6. Step 6: Final answer
    x = 315,492.30

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