Home / 381,045.42-571,568.27-141,241.77

Finding the Fourth Proportional to 381,045.42, 571,568.27 and 141,241.77

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Solution

The fourth proportional to 381,045.42, 571,568.27 and 141,241.77 is: 211,862.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,045.42 : 571,568.27 = 141,241.77 : x
  2. Step 2: Convert to fraction form
    381,045.42/571,568.27 = 141,241.77/x
  3. Step 3: Cross multiply
    381,045.42x = 571,568.27 × 141,241.77
  4. Step 4: Simplify right side
    381,045.42x = 80,729,313,424.43
  5. Step 5: Solve for x
    x = 80,729,313,424.43/381,045.42
  6. Step 6: Final answer
    x = 211,862.71

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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.