Home / 381,043.41-571,565.27-141,239.77

Finding the Fourth Proportional to 381,043.41, 571,565.27 and 141,239.77

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Solution

The fourth proportional to 381,043.41, 571,565.27 and 141,239.77 is: 211,859.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,043.41 : 571,565.27 = 141,239.77 : x
  2. Step 2: Convert to fraction form
    381,043.41/571,565.27 = 141,239.77/x
  3. Step 3: Cross multiply
    381,043.41x = 571,565.27 × 141,239.77
  4. Step 4: Simplify right side
    381,043.41x = 80,727,747,274.79
  5. Step 5: Solve for x
    x = 80,727,747,274.79/381,043.41
  6. Step 6: Final answer
    x = 211,859.71

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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.