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Finding the Fourth Proportional to 323,495.72, 485,393.88 and 123,750.08

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Solution

The fourth proportional to 323,495.72, 485,393.88 and 123,750.08 is: 185,682.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,495.72 : 485,393.88 = 123,750.08 : x
  2. Step 2: Convert to fraction form
    323,495.72/485,393.88 = 123,750.08/x
  3. Step 3: Cross multiply
    323,495.72x = 485,393.88 × 123,750.08
  4. Step 4: Simplify right side
    323,495.72x = 60,067,531,481.51
  5. Step 5: Solve for x
    x = 60,067,531,481.51/323,495.72
  6. Step 6: Final answer
    x = 185,682.62

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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.