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Finding the Fourth Proportional to 253,608.25, 349,976.88 and 137,321.17

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Solution

The fourth proportional to 253,608.25, 349,976.88 and 137,321.17 is: 189,501.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,608.25 : 349,976.88 = 137,321.17 : x
  2. Step 2: Convert to fraction form
    253,608.25/349,976.88 = 137,321.17/x
  3. Step 3: Cross multiply
    253,608.25x = 349,976.88 × 137,321.17
  4. Step 4: Simplify right side
    253,608.25x = 48,059,234,634.55
  5. Step 5: Solve for x
    x = 48,059,234,634.55/253,608.25
  6. Step 6: Final answer
    x = 189,501.86

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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.