Home / 455,192.09-682,712.25-166,944.11

Finding the Fourth Proportional to 455,192.09, 682,712.25 and 166,944.11

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Solution

The fourth proportional to 455,192.09, 682,712.25 and 166,944.11 is: 250,388.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,192.09 : 682,712.25 = 166,944.11 : x
  2. Step 2: Convert to fraction form
    455,192.09/682,712.25 = 166,944.11/x
  3. Step 3: Cross multiply
    455,192.09x = 682,712.25 × 166,944.11
  4. Step 4: Simplify right side
    455,192.09x = 113,974,784,922.75
  5. Step 5: Solve for x
    x = 113,974,784,922.75/455,192.09
  6. Step 6: Final answer
    x = 250,388.33

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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.