Home / 445,944.32-615,403.59-254,961.71

Finding the Fourth Proportional to 445,944.32, 615,403.59 and 254,961.71

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Solution

The fourth proportional to 445,944.32, 615,403.59 and 254,961.71 is: 351,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,944.32 : 615,403.59 = 254,961.71 : x
  2. Step 2: Convert to fraction form
    445,944.32/615,403.59 = 254,961.71/x
  3. Step 3: Cross multiply
    445,944.32x = 615,403.59 × 254,961.71
  4. Step 4: Simplify right side
    445,944.32x = 156,904,350,371.73
  5. Step 5: Solve for x
    x = 156,904,350,371.73/445,944.32
  6. Step 6: Final answer
    x = 351,847.40

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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.