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Finding the Fourth Proportional to 335,588.74, 503,430.39 and 107,807.97

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Solution

The fourth proportional to 335,588.74, 503,430.39 and 107,807.97 is: 161,727.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,588.74 : 503,430.39 = 107,807.97 : x
  2. Step 2: Convert to fraction form
    335,588.74/503,430.39 = 107,807.97/x
  3. Step 3: Cross multiply
    335,588.74x = 503,430.39 × 107,807.97
  4. Step 4: Simplify right side
    335,588.74x = 54,273,810,067.93
  5. Step 5: Solve for x
    x = 54,273,810,067.93/335,588.74
  6. Step 6: Final answer
    x = 161,727.15

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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.