Home / 279,835.64-386,183.60-158,997.41

Finding the Fourth Proportional to 279,835.64, 386,183.60 and 158,997.41

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Solution

The fourth proportional to 279,835.64, 386,183.60 and 158,997.41 is: 219,422.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,835.64 : 386,183.60 = 158,997.41 : x
  2. Step 2: Convert to fraction form
    279,835.64/386,183.60 = 158,997.41/x
  3. Step 3: Cross multiply
    279,835.64x = 386,183.60 × 158,997.41
  4. Step 4: Simplify right side
    279,835.64x = 61,402,192,184.48
  5. Step 5: Solve for x
    x = 61,402,192,184.48/279,835.64
  6. Step 6: Final answer
    x = 219,422.34

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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.