Home / 455,110.38-682,279.98-188,704.62

Finding the Fourth Proportional to 455,110.38, 682,279.98 and 188,704.62

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Solution

The fourth proportional to 455,110.38, 682,279.98 and 188,704.62 is: 282,897.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,110.38 : 682,279.98 = 188,704.62 : x
  2. Step 2: Convert to fraction form
    455,110.38/682,279.98 = 188,704.62/x
  3. Step 3: Cross multiply
    455,110.38x = 682,279.98 × 188,704.62
  4. Step 4: Simplify right side
    455,110.38x = 128,749,384,359.51
  5. Step 5: Solve for x
    x = 128,749,384,359.51/455,110.38
  6. Step 6: Final answer
    x = 282,897.05

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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.