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Finding the Fourth Proportional to 335,704.74, 503,633.22 and 111,064.82

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Solution

The fourth proportional to 335,704.74, 503,633.22 and 111,064.82 is: 166,622.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,704.74 : 503,633.22 = 111,064.82 : x
  2. Step 2: Convert to fraction form
    335,704.74/503,633.22 = 111,064.82/x
  3. Step 3: Cross multiply
    335,704.74x = 503,633.22 × 111,064.82
  4. Step 4: Simplify right side
    335,704.74x = 55,935,930,407.15
  5. Step 5: Solve for x
    x = 55,935,930,407.15/335,704.74
  6. Step 6: Final answer
    x = 166,622.40

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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.