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Finding the Fourth Proportional to 328,768.20, 493,152.30 and 188,411.40

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Solution

The fourth proportional to 328,768.20, 493,152.30 and 188,411.40 is: 282,617.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,768.20 : 493,152.30 = 188,411.40 : x
  2. Step 2: Convert to fraction form
    328,768.20/493,152.30 = 188,411.40/x
  3. Step 3: Cross multiply
    328,768.20x = 493,152.30 × 188,411.40
  4. Step 4: Simplify right side
    328,768.20x = 92,915,515,256.22
  5. Step 5: Solve for x
    x = 92,915,515,256.22/328,768.20
  6. Step 6: Final answer
    x = 282,617.10

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