Home / 485,132.03-727,838.46-200,770.09

Finding the Fourth Proportional to 485,132.03, 727,838.46 and 200,770.09

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Solution

The fourth proportional to 485,132.03, 727,838.46 and 200,770.09 is: 301,213.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,132.03 : 727,838.46 = 200,770.09 : x
  2. Step 2: Convert to fraction form
    485,132.03/727,838.46 = 200,770.09/x
  3. Step 3: Cross multiply
    485,132.03x = 727,838.46 × 200,770.09
  4. Step 4: Simplify right side
    485,132.03x = 146,128,195,394.16
  5. Step 5: Solve for x
    x = 146,128,195,394.16/485,132.03
  6. Step 6: Final answer
    x = 301,213.25

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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.