Home / 231,383.18-319,214.58-150,781.34

Finding the Fourth Proportional to 231,383.18, 319,214.58 and 150,781.34

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Solution

The fourth proportional to 231,383.18, 319,214.58 and 150,781.34 is: 208,016.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,383.18 : 319,214.58 = 150,781.34 : x
  2. Step 2: Convert to fraction form
    231,383.18/319,214.58 = 150,781.34/x
  3. Step 3: Cross multiply
    231,383.18x = 319,214.58 × 150,781.34
  4. Step 4: Simplify right side
    231,383.18x = 48,131,602,119.94
  5. Step 5: Solve for x
    x = 48,131,602,119.94/231,383.18
  6. Step 6: Final answer
    x = 208,016.86

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1.5x scale

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.