Home / 274,571.22-378,953.63-188,459.46

Finding the Fourth Proportional to 274,571.22, 378,953.63 and 188,459.46

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Solution

The fourth proportional to 274,571.22, 378,953.63 and 188,459.46 is: 260,105.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,571.22 : 378,953.63 = 188,459.46 : x
  2. Step 2: Convert to fraction form
    274,571.22/378,953.63 = 188,459.46/x
  3. Step 3: Cross multiply
    274,571.22x = 378,953.63 × 188,459.46
  4. Step 4: Simplify right side
    274,571.22x = 71,417,396,953.62
  5. Step 5: Solve for x
    x = 71,417,396,953.62/274,571.22
  6. Step 6: Final answer
    x = 260,105.18

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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.