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Finding the Fourth Proportional to 509,195.20, 763,598.40 and 154,091.20

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Solution

The fourth proportional to 509,195.20, 763,598.40 and 154,091.20 is: 231,077.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,195.20 : 763,598.40 = 154,091.20 : x
  2. Step 2: Convert to fraction form
    509,195.20/763,598.40 = 154,091.20/x
  3. Step 3: Cross multiply
    509,195.20x = 763,598.40 × 154,091.20
  4. Step 4: Simplify right side
    509,195.20x = 117,663,793,774.08
  5. Step 5: Solve for x
    x = 117,663,793,774.08/509,195.20
  6. Step 6: Final answer
    x = 231,077.97

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