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Finding the Fourth Proportional to 335,963.67, 503,939.27 and 83,244.77

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Solution

The fourth proportional to 335,963.67, 503,939.27 and 83,244.77 is: 124,865.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,963.67 : 503,939.27 = 83,244.77 : x
  2. Step 2: Convert to fraction form
    335,963.67/503,939.27 = 83,244.77/x
  3. Step 3: Cross multiply
    335,963.67x = 503,939.27 × 83,244.77
  4. Step 4: Simplify right side
    335,963.67x = 41,950,308,625.12
  5. Step 5: Solve for x
    x = 41,950,308,625.12/335,963.67
  6. Step 6: Final answer
    x = 124,865.61

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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.