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Finding the Fourth Proportional to 223,605.96, 335,408.94 and 65,834.43

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Solution

The fourth proportional to 223,605.96, 335,408.94 and 65,834.43 is: 98,751.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,605.96 : 335,408.94 = 65,834.43 : x
  2. Step 2: Convert to fraction form
    223,605.96/335,408.94 = 65,834.43/x
  3. Step 3: Cross multiply
    223,605.96x = 335,408.94 × 65,834.43
  4. Step 4: Simplify right side
    223,605.96x = 22,081,456,381.80
  5. Step 5: Solve for x
    x = 22,081,456,381.80/223,605.96
  6. Step 6: Final answer
    x = 98,751.65

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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.