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Finding the Fourth Proportional to 442,310.09, 663,297.00 and 142,745.77

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Solution

The fourth proportional to 442,310.09, 663,297.00 and 142,745.77 is: 214,064.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,310.09 : 663,297.00 = 142,745.77 : x
  2. Step 2: Convert to fraction form
    442,310.09/663,297.00 = 142,745.77/x
  3. Step 3: Cross multiply
    442,310.09x = 663,297.00 × 142,745.77
  4. Step 4: Simplify right side
    442,310.09x = 94,682,840,234.94
  5. Step 5: Solve for x
    x = 94,682,840,234.94/442,310.09
  6. Step 6: Final answer
    x = 214,064.39

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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.