Home / 455,218.38-682,442.01-188,812.62

Finding the Fourth Proportional to 455,218.38, 682,442.01 and 188,812.62

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Solution

The fourth proportional to 455,218.38, 682,442.01 and 188,812.62 is: 283,059.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,218.38 : 682,442.01 = 188,812.62 : x
  2. Step 2: Convert to fraction form
    455,218.38/682,442.01 = 188,812.62/x
  3. Step 3: Cross multiply
    455,218.38x = 682,442.01 × 188,812.62
  4. Step 4: Simplify right side
    455,218.38x = 128,853,663,906.17
  5. Step 5: Solve for x
    x = 128,853,663,906.17/455,218.38
  6. Step 6: Final answer
    x = 283,059.01

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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.