Home / 254,463.85-378,906.60-245,371.21

Finding the Fourth Proportional to 254,463.85, 378,906.60 and 245,371.21

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Solution

The fourth proportional to 254,463.85, 378,906.60 and 245,371.21 is: 365,367.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,463.85 : 378,906.60 = 245,371.21 : x
  2. Step 2: Convert to fraction form
    254,463.85/378,906.60 = 245,371.21/x
  3. Step 3: Cross multiply
    254,463.85x = 378,906.60 × 245,371.21
  4. Step 4: Simplify right side
    254,463.85x = 92,972,770,918.99
  5. Step 5: Solve for x
    x = 92,972,770,918.99/254,463.85
  6. Step 6: Final answer
    x = 365,367.30

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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.