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Finding the Fourth Proportional to 250,696.38, 376,042.68 and 82,333.56

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Solution

The fourth proportional to 250,696.38, 376,042.68 and 82,333.56 is: 123,499.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,696.38 : 376,042.68 = 82,333.56 : x
  2. Step 2: Convert to fraction form
    250,696.38/376,042.68 = 82,333.56/x
  3. Step 3: Cross multiply
    250,696.38x = 376,042.68 × 82,333.56
  4. Step 4: Simplify right side
    250,696.38x = 30,960,932,556.34
  5. Step 5: Solve for x
    x = 30,960,932,556.34/250,696.38
  6. Step 6: Final answer
    x = 123,499.72

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1.5x scale

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.