Home / 500,990.13-751,324.82-163,939.41

Finding the Fourth Proportional to 500,990.13, 751,324.82 and 163,939.41

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Solution

The fourth proportional to 500,990.13, 751,324.82 and 163,939.41 is: 245,856.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,990.13 : 751,324.82 = 163,939.41 : x
  2. Step 2: Convert to fraction form
    500,990.13/751,324.82 = 163,939.41/x
  3. Step 3: Cross multiply
    500,990.13x = 751,324.82 × 163,939.41
  4. Step 4: Simplify right side
    500,990.13x = 123,171,746,889.46
  5. Step 5: Solve for x
    x = 123,171,746,889.46/500,990.13
  6. Step 6: Final answer
    x = 245,856.63

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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.