Home / 256,422.24-383,960.40-181,135.20

Finding the Fourth Proportional to 256,422.24, 383,960.40 and 181,135.20

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Solution

The fourth proportional to 256,422.24, 383,960.40 and 181,135.20 is: 271,227.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,422.24 : 383,960.40 = 181,135.20 : x
  2. Step 2: Convert to fraction form
    256,422.24/383,960.40 = 181,135.20/x
  3. Step 3: Cross multiply
    256,422.24x = 383,960.40 × 181,135.20
  4. Step 4: Simplify right side
    256,422.24x = 69,548,743,846.08
  5. Step 5: Solve for x
    x = 69,548,743,846.08/256,422.24
  6. Step 6: Final answer
    x = 271,227.42

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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.