Home / 275,765.04-412,844.04-205,001.28

Finding the Fourth Proportional to 275,765.04, 412,844.04 and 205,001.28

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Solution

The fourth proportional to 275,765.04, 412,844.04 and 205,001.28 is: 306,904.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,765.04 : 412,844.04 = 205,001.28 : x
  2. Step 2: Convert to fraction form
    275,765.04/412,844.04 = 205,001.28/x
  3. Step 3: Cross multiply
    275,765.04x = 412,844.04 × 205,001.28
  4. Step 4: Simplify right side
    275,765.04x = 84,633,556,640.37
  5. Step 5: Solve for x
    x = 84,633,556,640.37/275,765.04
  6. Step 6: Final answer
    x = 306,904.59

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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.