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Finding the Fourth Proportional to 490,755, 736,305.30 and 241,611.96

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Solution

The fourth proportional to 490,755, 736,305.30 and 241,611.96 is: 362,503.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,755 : 736,305.30 = 241,611.96 : x
  2. Step 2: Convert to fraction form
    490,755/736,305.30 = 241,611.96/x
  3. Step 3: Cross multiply
    490,755x = 736,305.30 × 241,611.96
  4. Step 4: Simplify right side
    490,755x = 177,900,166,691.39
  5. Step 5: Solve for x
    x = 177,900,166,691.39/490,755
  6. Step 6: Final answer
    x = 362,503.01

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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.