Home / 500,781.03-751,198.91-126,807.27

Finding the Fourth Proportional to 500,781.03, 751,198.91 and 126,807.27

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Solution

The fourth proportional to 500,781.03, 751,198.91 and 126,807.27 is: 190,217.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,781.03 : 751,198.91 = 126,807.27 : x
  2. Step 2: Convert to fraction form
    500,781.03/751,198.91 = 126,807.27/x
  3. Step 3: Cross multiply
    500,781.03x = 751,198.91 × 126,807.27
  4. Step 4: Simplify right side
    500,781.03x = 95,257,482,370.04
  5. Step 5: Solve for x
    x = 95,257,482,370.04/500,781.03
  6. Step 6: Final answer
    x = 190,217.83

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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.