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Finding the Fourth Proportional to 203,290.73, 304,913.01 and 53,542.73

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Solution

The fourth proportional to 203,290.73, 304,913.01 and 53,542.73 is: 80,308.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,290.73 : 304,913.01 = 53,542.73 : x
  2. Step 2: Convert to fraction form
    203,290.73/304,913.01 = 53,542.73/x
  3. Step 3: Cross multiply
    203,290.73x = 304,913.01 × 53,542.73
  4. Step 4: Simplify right side
    203,290.73x = 16,325,875,730.20
  5. Step 5: Solve for x
    x = 16,325,875,730.20/203,290.73
  6. Step 6: Final answer
    x = 80,308.02

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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.