Home / 381,185.03-571,658.22-137,995.41

Finding the Fourth Proportional to 381,185.03, 571,658.22 and 137,995.41

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Solution

The fourth proportional to 381,185.03, 571,658.22 and 137,995.41 is: 206,949.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,185.03 : 571,658.22 = 137,995.41 : x
  2. Step 2: Convert to fraction form
    381,185.03/571,658.22 = 137,995.41/x
  3. Step 3: Cross multiply
    381,185.03x = 571,658.22 × 137,995.41
  4. Step 4: Simplify right side
    381,185.03x = 78,886,210,374.86
  5. Step 5: Solve for x
    x = 78,886,210,374.86/381,185.03
  6. Step 6: Final answer
    x = 206,949.92

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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.