Home / 423,262.27-634,952.97-123,765.38

Finding the Fourth Proportional to 423,262.27, 634,952.97 and 123,765.38

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Solution

The fourth proportional to 423,262.27, 634,952.97 and 123,765.38 is: 185,665.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,262.27 : 634,952.97 = 123,765.38 : x
  2. Step 2: Convert to fraction form
    423,262.27/634,952.97 = 123,765.38/x
  3. Step 3: Cross multiply
    423,262.27x = 634,952.97 × 123,765.38
  4. Step 4: Simplify right side
    423,262.27x = 78,585,192,439.41
  5. Step 5: Solve for x
    x = 78,585,192,439.41/423,262.27
  6. Step 6: Final answer
    x = 185,665.48

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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.