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Finding the Fourth Proportional to 328,906.80, 493,214.40 and 151,322.40

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Solution

The fourth proportional to 328,906.80, 493,214.40 and 151,322.40 is: 226,916.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,906.80 : 493,214.40 = 151,322.40 : x
  2. Step 2: Convert to fraction form
    328,906.80/493,214.40 = 151,322.40/x
  3. Step 3: Cross multiply
    328,906.80x = 493,214.40 × 151,322.40
  4. Step 4: Simplify right side
    328,906.80x = 74,634,386,722.56
  5. Step 5: Solve for x
    x = 74,634,386,722.56/328,906.80
  6. Step 6: Final answer
    x = 226,916.52

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