Home / 204,631.80-306,995.88-64,390.38

Finding the Fourth Proportional to 204,631.80, 306,995.88 and 64,390.38

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Solution

The fourth proportional to 204,631.80, 306,995.88 and 64,390.38 is: 96,600.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,631.80 : 306,995.88 = 64,390.38 : x
  2. Step 2: Convert to fraction form
    204,631.80/306,995.88 = 64,390.38/x
  3. Step 3: Cross multiply
    204,631.80x = 306,995.88 × 64,390.38
  4. Step 4: Simplify right side
    204,631.80x = 19,767,581,371.63
  5. Step 5: Solve for x
    x = 19,767,581,371.63/204,631.80
  6. Step 6: Final answer
    x = 96,600.73

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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.