Home / 445,933.88-615,213.56-254,844.76

Finding the Fourth Proportional to 445,933.88, 615,213.56 and 254,844.76

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Solution

The fourth proportional to 445,933.88, 615,213.56 and 254,844.76 is: 351,585.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,933.88 : 615,213.56 = 254,844.76 : x
  2. Step 2: Convert to fraction form
    445,933.88/615,213.56 = 254,844.76/x
  3. Step 3: Cross multiply
    445,933.88x = 615,213.56 × 254,844.76
  4. Step 4: Simplify right side
    445,933.88x = 156,783,952,046.95
  5. Step 5: Solve for x
    x = 156,783,952,046.95/445,933.88
  6. Step 6: Final answer
    x = 351,585.65

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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.