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Finding the Fourth Proportional to 500,387.69, 750,676.06 and 200,891.81

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Solution

The fourth proportional to 500,387.69, 750,676.06 and 200,891.81 is: 301,375.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,387.69 : 750,676.06 = 200,891.81 : x
  2. Step 2: Convert to fraction form
    500,387.69/750,676.06 = 200,891.81/x
  3. Step 3: Cross multiply
    500,387.69x = 750,676.06 × 200,891.81
  4. Step 4: Simplify right side
    500,387.69x = 150,804,668,161.46
  5. Step 5: Solve for x
    x = 150,804,668,161.46/500,387.69
  6. Step 6: Final answer
    x = 301,375.66

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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.