Home / 423,849.76-635,634.24-171,064.96

Finding the Fourth Proportional to 423,849.76, 635,634.24 and 171,064.96

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Solution

The fourth proportional to 423,849.76, 635,634.24 and 171,064.96 is: 256,540.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,849.76 : 635,634.24 = 171,064.96 : x
  2. Step 2: Convert to fraction form
    423,849.76/635,634.24 = 171,064.96/x
  3. Step 3: Cross multiply
    423,849.76x = 635,634.24 × 171,064.96
  4. Step 4: Simplify right side
    423,849.76x = 108,734,745,840.23
  5. Step 5: Solve for x
    x = 108,734,745,840.23/423,849.76
  6. Step 6: Final answer
    x = 256,540.77

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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.