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Finding the Fourth Proportional to 323,529.20, 485,207.40 and 98,889.20

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Solution

The fourth proportional to 323,529.20, 485,207.40 and 98,889.20 is: 148,307.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,529.20 : 485,207.40 = 98,889.20 : x
  2. Step 2: Convert to fraction form
    323,529.20/485,207.40 = 98,889.20/x
  3. Step 3: Cross multiply
    323,529.20x = 485,207.40 × 98,889.20
  4. Step 4: Simplify right side
    323,529.20x = 47,981,771,620.08
  5. Step 5: Solve for x
    x = 47,981,771,620.08/323,529.20
  6. Step 6: Final answer
    x = 148,307.39

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