Home / 376,286.05-519,274.92-215,144.29

Finding the Fourth Proportional to 376,286.05, 519,274.92 and 215,144.29

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Solution

The fourth proportional to 376,286.05, 519,274.92 and 215,144.29 is: 296,899.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,286.05 : 519,274.92 = 215,144.29 : x
  2. Step 2: Convert to fraction form
    376,286.05/519,274.92 = 215,144.29/x
  3. Step 3: Cross multiply
    376,286.05x = 519,274.92 × 215,144.29
  4. Step 4: Simplify right side
    376,286.05x = 111,719,033,978.21
  5. Step 5: Solve for x
    x = 111,719,033,978.21/376,286.05
  6. Step 6: Final answer
    x = 296,899.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.