Home / 274,542.71-379,591.88-240,453.45

Finding the Fourth Proportional to 274,542.71, 379,591.88 and 240,453.45

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Solution

The fourth proportional to 274,542.71, 379,591.88 and 240,453.45 is: 332,458.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,542.71 : 379,591.88 = 240,453.45 : x
  2. Step 2: Convert to fraction form
    274,542.71/379,591.88 = 240,453.45/x
  3. Step 3: Cross multiply
    274,542.71x = 379,591.88 × 240,453.45
  4. Step 4: Simplify right side
    274,542.71x = 91,274,177,137.99
  5. Step 5: Solve for x
    x = 91,274,177,137.99/274,542.71
  6. Step 6: Final answer
    x = 332,458.94

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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.