Home / 303,974.13-455,961.20-82,358.13

Finding the Fourth Proportional to 303,974.13, 455,961.20 and 82,358.13

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Solution

The fourth proportional to 303,974.13, 455,961.20 and 82,358.13 is: 123,537.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,974.13 : 455,961.20 = 82,358.13 : x
  2. Step 2: Convert to fraction form
    303,974.13/455,961.20 = 82,358.13/x
  3. Step 3: Cross multiply
    303,974.13x = 455,961.20 × 82,358.13
  4. Step 4: Simplify right side
    303,974.13x = 37,552,111,784.56
  5. Step 5: Solve for x
    x = 37,552,111,784.56/303,974.13
  6. Step 6: Final answer
    x = 123,537.20

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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.