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Finding the Fourth Proportional to 335,327.72, 503,053.74 and 110,703.78

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Solution

The fourth proportional to 335,327.72, 503,053.74 and 110,703.78 is: 166,076.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,327.72 : 503,053.74 = 110,703.78 : x
  2. Step 2: Convert to fraction form
    335,327.72/503,053.74 = 110,703.78/x
  3. Step 3: Cross multiply
    335,327.72x = 503,053.74 × 110,703.78
  4. Step 4: Simplify right side
    335,327.72x = 55,689,950,561.14
  5. Step 5: Solve for x
    x = 55,689,950,561.14/335,327.72
  6. Step 6: Final answer
    x = 166,076.19

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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.