Home / 299,944.10-449,825.27-157,712.73

Finding the Fourth Proportional to 299,944.10, 449,825.27 and 157,712.73

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Solution

The fourth proportional to 299,944.10, 449,825.27 and 157,712.73 is: 236,521.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,944.10 : 449,825.27 = 157,712.73 : x
  2. Step 2: Convert to fraction form
    299,944.10/449,825.27 = 157,712.73/x
  3. Step 3: Cross multiply
    299,944.10x = 449,825.27 × 157,712.73
  4. Step 4: Simplify right side
    299,944.10x = 70,943,170,566.12
  5. Step 5: Solve for x
    x = 70,943,170,566.12/299,944.10
  6. Step 6: Final answer
    x = 236,521.31

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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.