Home / 275,975.13-380,811.56-159,708.54

Finding the Fourth Proportional to 275,975.13, 380,811.56 and 159,708.54

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Solution

The fourth proportional to 275,975.13, 380,811.56 and 159,708.54 is: 220,378.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,975.13 : 380,811.56 = 159,708.54 : x
  2. Step 2: Convert to fraction form
    275,975.13/380,811.56 = 159,708.54/x
  3. Step 3: Cross multiply
    275,975.13x = 380,811.56 × 159,708.54
  4. Step 4: Simplify right side
    275,975.13x = 60,818,858,262.72
  5. Step 5: Solve for x
    x = 60,818,858,262.72/275,975.13
  6. Step 6: Final answer
    x = 220,378.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.