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Finding the Fourth Proportional to 491,481.66, 737,221.86 and 154,551.90

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Solution

The fourth proportional to 491,481.66, 737,221.86 and 154,551.90 is: 231,827.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,481.66 : 737,221.86 = 154,551.90 : x
  2. Step 2: Convert to fraction form
    491,481.66/737,221.86 = 154,551.90/x
  3. Step 3: Cross multiply
    491,481.66x = 737,221.86 × 154,551.90
  4. Step 4: Simplify right side
    491,481.66x = 113,939,039,184.53
  5. Step 5: Solve for x
    x = 113,939,039,184.53/491,481.66
  6. Step 6: Final answer
    x = 231,827.65

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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.