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Finding the Fourth Proportional to 339,558.03, 508,863.94 and 255,219.80

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Solution

The fourth proportional to 339,558.03, 508,863.94 and 255,219.80 is: 382,474.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,558.03 : 508,863.94 = 255,219.80 : x
  2. Step 2: Convert to fraction form
    339,558.03/508,863.94 = 255,219.80/x
  3. Step 3: Cross multiply
    339,558.03x = 508,863.94 × 255,219.80
  4. Step 4: Simplify right side
    339,558.03x = 129,872,150,447.72
  5. Step 5: Solve for x
    x = 129,872,150,447.72/339,558.03
  6. Step 6: Final answer
    x = 382,474.09

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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.