Home / 278,204.45-414,806.58-254,452.72

Finding the Fourth Proportional to 278,204.45, 414,806.58 and 254,452.72

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Solution

The fourth proportional to 278,204.45, 414,806.58 and 254,452.72 is: 379,392.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,204.45 : 414,806.58 = 254,452.72 : x
  2. Step 2: Convert to fraction form
    278,204.45/414,806.58 = 254,452.72/x
  3. Step 3: Cross multiply
    278,204.45x = 414,806.58 × 254,452.72
  4. Step 4: Simplify right side
    278,204.45x = 105,548,660,563.68
  5. Step 5: Solve for x
    x = 105,548,660,563.68/278,204.45
  6. Step 6: Final answer
    x = 379,392.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.