Home / 445,960.27-615,414-254,961.46

Finding the Fourth Proportional to 445,960.27, 615,414 and 254,961.46

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Solution

The fourth proportional to 445,960.27, 615,414 and 254,961.46 is: 351,840.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,960.27 : 615,414 = 254,961.46 : x
  2. Step 2: Convert to fraction form
    445,960.27/615,414 = 254,961.46/x
  3. Step 3: Cross multiply
    445,960.27x = 615,414 × 254,961.46
  4. Step 4: Simplify right side
    445,960.27x = 156,906,851,944.44
  5. Step 5: Solve for x
    x = 156,906,851,944.44/445,960.27
  6. Step 6: Final answer
    x = 351,840.43

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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.