Home / 455,338.32-682,433.28-230,755.20

Finding the Fourth Proportional to 455,338.32, 682,433.28 and 230,755.20

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Solution

The fourth proportional to 455,338.32, 682,433.28 and 230,755.20 is: 345,841.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,338.32 : 682,433.28 = 230,755.20 : x
  2. Step 2: Convert to fraction form
    455,338.32/682,433.28 = 230,755.20/x
  3. Step 3: Cross multiply
    455,338.32x = 682,433.28 × 230,755.20
  4. Step 4: Simplify right side
    455,338.32x = 157,475,028,013.06
  5. Step 5: Solve for x
    x = 157,475,028,013.06/455,338.32
  6. Step 6: Final answer
    x = 345,841.81

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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.