Home / 279,835.59-386,183.54-158,997.35

Finding the Fourth Proportional to 279,835.59, 386,183.54 and 158,997.35

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Solution

The fourth proportional to 279,835.59, 386,183.54 and 158,997.35 is: 219,422.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,835.59 : 386,183.54 = 158,997.35 : x
  2. Step 2: Convert to fraction form
    279,835.59/386,183.54 = 158,997.35/x
  3. Step 3: Cross multiply
    279,835.59x = 386,183.54 × 158,997.35
  4. Step 4: Simplify right side
    279,835.59x = 61,402,158,360.94
  5. Step 5: Solve for x
    x = 61,402,158,360.94/279,835.59
  6. Step 6: Final answer
    x = 219,422.26

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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.