Home / 275,949.36-381,099.24-190,131.48

Finding the Fourth Proportional to 275,949.36, 381,099.24 and 190,131.48

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Solution

The fourth proportional to 275,949.36, 381,099.24 and 190,131.48 is: 262,580.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,949.36 : 381,099.24 = 190,131.48 : x
  2. Step 2: Convert to fraction form
    275,949.36/381,099.24 = 190,131.48/x
  3. Step 3: Cross multiply
    275,949.36x = 381,099.24 × 190,131.48
  4. Step 4: Simplify right side
    275,949.36x = 72,458,962,528.08
  5. Step 5: Solve for x
    x = 72,458,962,528.08/275,949.36
  6. Step 6: Final answer
    x = 262,580.65

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1.5x scale

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.