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Finding the Fourth Proportional to 446,993.44, 616,860.24 and 245,788.96

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Solution

The fourth proportional to 446,993.44, 616,860.24 and 245,788.96 is: 339,193.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,993.44 : 616,860.24 = 245,788.96 : x
  2. Step 2: Convert to fraction form
    446,993.44/616,860.24 = 245,788.96/x
  3. Step 3: Cross multiply
    446,993.44x = 616,860.24 × 245,788.96
  4. Step 4: Simplify right side
    446,993.44x = 151,617,436,854.95
  5. Step 5: Solve for x
    x = 151,617,436,854.95/446,993.44
  6. Step 6: Final answer
    x = 339,193.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.