Home / 376,158.14-519,098.24-215,016.68

Finding the Fourth Proportional to 376,158.14, 519,098.24 and 215,016.68

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Solution

The fourth proportional to 376,158.14, 519,098.24 and 215,016.68 is: 296,723.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,158.14 : 519,098.24 = 215,016.68 : x
  2. Step 2: Convert to fraction form
    376,158.14/519,098.24 = 215,016.68/x
  3. Step 3: Cross multiply
    376,158.14x = 519,098.24 × 215,016.68
  4. Step 4: Simplify right side
    376,158.14x = 111,614,781,993.93
  5. Step 5: Solve for x
    x = 111,614,781,993.93/376,158.14
  6. Step 6: Final answer
    x = 296,723.03

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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.