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Finding the Fourth Proportional to 323,850.56, 485,941.04 and 218,448.64

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Solution

The fourth proportional to 323,850.56, 485,941.04 and 218,448.64 is: 327,784.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,850.56 : 485,941.04 = 218,448.64 : x
  2. Step 2: Convert to fraction form
    323,850.56/485,941.04 = 218,448.64/x
  3. Step 3: Cross multiply
    323,850.56x = 485,941.04 × 218,448.64
  4. Step 4: Simplify right side
    323,850.56x = 106,153,159,308.19
  5. Step 5: Solve for x
    x = 106,153,159,308.19/323,850.56
  6. Step 6: Final answer
    x = 327,784.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.