Home / 275,947.85-381,097.17-190,129.97

Finding the Fourth Proportional to 275,947.85, 381,097.17 and 190,129.97

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Solution

The fourth proportional to 275,947.85, 381,097.17 and 190,129.97 is: 262,578.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,947.85 : 381,097.17 = 190,129.97 : x
  2. Step 2: Convert to fraction form
    275,947.85/381,097.17 = 190,129.97/x
  3. Step 3: Cross multiply
    275,947.85x = 381,097.17 × 190,129.97
  4. Step 4: Simplify right side
    275,947.85x = 72,457,991,593.70
  5. Step 5: Solve for x
    x = 72,457,991,593.70/275,947.85
  6. Step 6: Final answer
    x = 262,578.57

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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.