Home / 231,705.48-319,481.13-185,728.36

Finding the Fourth Proportional to 231,705.48, 319,481.13 and 185,728.36

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Solution

The fourth proportional to 231,705.48, 319,481.13 and 185,728.36 is: 256,086.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,705.48 : 319,481.13 = 185,728.36 : x
  2. Step 2: Convert to fraction form
    231,705.48/319,481.13 = 185,728.36/x
  3. Step 3: Cross multiply
    231,705.48x = 319,481.13 × 185,728.36
  4. Step 4: Simplify right side
    231,705.48x = 59,336,705,527.14
  5. Step 5: Solve for x
    x = 59,336,705,527.14/231,705.48
  6. Step 6: Final answer
    x = 256,086.77

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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.