Home / 215,918.33-323,914.34-73,755.77

Finding the Fourth Proportional to 215,918.33, 323,914.34 and 73,755.77

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Solution

The fourth proportional to 215,918.33, 323,914.34 and 73,755.77 is: 110,646.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,918.33 : 323,914.34 = 73,755.77 : x
  2. Step 2: Convert to fraction form
    215,918.33/323,914.34 = 73,755.77/x
  3. Step 3: Cross multiply
    215,918.33x = 323,914.34 × 73,755.77
  4. Step 4: Simplify right side
    215,918.33x = 23,890,550,125.56
  5. Step 5: Solve for x
    x = 23,890,550,125.56/215,918.33
  6. Step 6: Final answer
    x = 110,646.24

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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.