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Finding the Fourth Proportional to 253,151.62, 349,348.37 and 142,761.49

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Solution

The fourth proportional to 253,151.62, 349,348.37 and 142,761.49 is: 197,010.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,151.62 : 349,348.37 = 142,761.49 : x
  2. Step 2: Convert to fraction form
    253,151.62/349,348.37 = 142,761.49/x
  3. Step 3: Cross multiply
    253,151.62x = 349,348.37 × 142,761.49
  4. Step 4: Simplify right side
    253,151.62x = 49,873,492,243.09
  5. Step 5: Solve for x
    x = 49,873,492,243.09/253,151.62
  6. Step 6: Final answer
    x = 197,010.36

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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.