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Finding the Fourth Proportional to 335,410.87, 503,009.56 and 110,729.47

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Solution

The fourth proportional to 335,410.87, 503,009.56 and 110,729.47 is: 166,058.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,410.87 : 503,009.56 = 110,729.47 : x
  2. Step 2: Convert to fraction form
    335,410.87/503,009.56 = 110,729.47/x
  3. Step 3: Cross multiply
    335,410.87x = 503,009.56 × 110,729.47
  4. Step 4: Simplify right side
    335,410.87x = 55,697,981,983.73
  5. Step 5: Solve for x
    x = 55,697,981,983.73/335,410.87
  6. Step 6: Final answer
    x = 166,058.97

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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.