Home / 231,402.35-319,241.03-150,800.51

Finding the Fourth Proportional to 231,402.35, 319,241.03 and 150,800.51

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Solution

The fourth proportional to 231,402.35, 319,241.03 and 150,800.51 is: 208,043.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,402.35 : 319,241.03 = 150,800.51 : x
  2. Step 2: Convert to fraction form
    231,402.35/319,241.03 = 150,800.51/x
  3. Step 3: Cross multiply
    231,402.35x = 319,241.03 × 150,800.51
  4. Step 4: Simplify right side
    231,402.35x = 48,141,710,136.93
  5. Step 5: Solve for x
    x = 48,141,710,136.93/231,402.35
  6. Step 6: Final answer
    x = 208,043.31

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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.