Home / 275,218.11-412,823.48-75,538.26

Finding the Fourth Proportional to 275,218.11, 412,823.48 and 75,538.26

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Solution

The fourth proportional to 275,218.11, 412,823.48 and 75,538.26 is: 113,306.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,218.11 : 412,823.48 = 75,538.26 : x
  2. Step 2: Convert to fraction form
    275,218.11/412,823.48 = 75,538.26/x
  3. Step 3: Cross multiply
    275,218.11x = 412,823.48 × 75,538.26
  4. Step 4: Simplify right side
    275,218.11x = 31,183,966,988.65
  5. Step 5: Solve for x
    x = 31,183,966,988.65/275,218.11
  6. Step 6: Final answer
    x = 113,306.38

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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.