Home / 204,128.76-306,198.90-56,384.76

Finding the Fourth Proportional to 204,128.76, 306,198.90 and 56,384.76

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Solution

The fourth proportional to 204,128.76, 306,198.90 and 56,384.76 is: 84,578.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,128.76 : 306,198.90 = 56,384.76 : x
  2. Step 2: Convert to fraction form
    204,128.76/306,198.90 = 56,384.76/x
  3. Step 3: Cross multiply
    204,128.76x = 306,198.90 × 56,384.76
  4. Step 4: Simplify right side
    204,128.76x = 17,264,951,488.76
  5. Step 5: Solve for x
    x = 17,264,951,488.76/204,128.76
  6. Step 6: Final answer
    x = 84,578.73

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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.