Home / 376,999.20-520,262.38-204,917.57

Finding the Fourth Proportional to 376,999.20, 520,262.38 and 204,917.57

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Solution

The fourth proportional to 376,999.20, 520,262.38 and 204,917.57 is: 282,788.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,999.20 : 520,262.38 = 204,917.57 : x
  2. Step 2: Convert to fraction form
    376,999.20/520,262.38 = 204,917.57/x
  3. Step 3: Cross multiply
    376,999.20x = 520,262.38 × 204,917.57
  4. Step 4: Simplify right side
    376,999.20x = 106,610,902,791.93
  5. Step 5: Solve for x
    x = 106,610,902,791.93/376,999.20
  6. Step 6: Final answer
    x = 282,788.14

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1.5x scale

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.