Home / 256,310.44-384,464.26-104,506.92

Finding the Fourth Proportional to 256,310.44, 384,464.26 and 104,506.92

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Solution

The fourth proportional to 256,310.44, 384,464.26 and 104,506.92 is: 156,759.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,310.44 : 384,464.26 = 104,506.92 : x
  2. Step 2: Convert to fraction form
    256,310.44/384,464.26 = 104,506.92/x
  3. Step 3: Cross multiply
    256,310.44x = 384,464.26 × 104,506.92
  4. Step 4: Simplify right side
    256,310.44x = 40,179,175,662.68
  5. Step 5: Solve for x
    x = 40,179,175,662.68/256,310.44
  6. Step 6: Final answer
    x = 156,759.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.