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Finding the Fourth Proportional to 373,755.64, 560,707.44 and 137,100.38

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Solution

The fourth proportional to 373,755.64, 560,707.44 and 137,100.38 is: 205,677.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,755.64 : 560,707.44 = 137,100.38 : x
  2. Step 2: Convert to fraction form
    373,755.64/560,707.44 = 137,100.38/x
  3. Step 3: Cross multiply
    373,755.64x = 560,707.44 × 137,100.38
  4. Step 4: Simplify right side
    373,755.64x = 76,873,203,092.83
  5. Step 5: Solve for x
    x = 76,873,203,092.83/373,755.64
  6. Step 6: Final answer
    x = 205,677.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.