Home / 297,835.37-411,012.82-161,869.65

Finding the Fourth Proportional to 297,835.37, 411,012.82 and 161,869.65

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Solution

The fourth proportional to 297,835.37, 411,012.82 and 161,869.65 is: 223,380.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,835.37 : 411,012.82 = 161,869.65 : x
  2. Step 2: Convert to fraction form
    297,835.37/411,012.82 = 161,869.65/x
  3. Step 3: Cross multiply
    297,835.37x = 411,012.82 × 161,869.65
  4. Step 4: Simplify right side
    297,835.37x = 66,530,500,190.21
  5. Step 5: Solve for x
    x = 66,530,500,190.21/297,835.37
  6. Step 6: Final answer
    x = 223,380.12

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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.