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Finding the Fourth Proportional to 231,703, 319,755 and 131,101

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Solution

The fourth proportional to 231,703, 319,755 and 131,101 is: 180,922.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,703 : 319,755 = 131,101 : x
  2. Step 2: Convert to fraction form
    231,703/319,755 = 131,101/x
  3. Step 3: Cross multiply
    231,703x = 319,755 × 131,101
  4. Step 4: Simplify right side
    231,703x = 41,920,200,255
  5. Step 5: Solve for x
    x = 41,920,200,255/231,703
  6. Step 6: Final answer
    x = 180,922.13

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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.