Home / 485,133.03-727,839.96-200,771.09

Finding the Fourth Proportional to 485,133.03, 727,839.96 and 200,771.09

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Solution

The fourth proportional to 485,133.03, 727,839.96 and 200,771.09 is: 301,214.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,133.03 : 727,839.96 = 200,771.09 : x
  2. Step 2: Convert to fraction form
    485,133.03/727,839.96 = 200,771.09/x
  3. Step 3: Cross multiply
    485,133.03x = 727,839.96 × 200,771.09
  4. Step 4: Simplify right side
    485,133.03x = 146,129,222,114.76
  5. Step 5: Solve for x
    x = 146,129,222,114.76/485,133.03
  6. Step 6: Final answer
    x = 301,214.75

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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.