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Finding the Fourth Proportional to 373,747.72, 515,592.48 and 244,629.40

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Solution

The fourth proportional to 373,747.72, 515,592.48 and 244,629.40 is: 337,471.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,747.72 : 515,592.48 = 244,629.40 : x
  2. Step 2: Convert to fraction form
    373,747.72/515,592.48 = 244,629.40/x
  3. Step 3: Cross multiply
    373,747.72x = 515,592.48 × 244,629.40
  4. Step 4: Simplify right side
    373,747.72x = 126,129,079,026.91
  5. Step 5: Solve for x
    x = 126,129,079,026.91/373,747.72
  6. Step 6: Final answer
    x = 337,471.17

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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.