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Finding the Fourth Proportional to 491,537.96, 737,306.16 and 154,608.20

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Solution

The fourth proportional to 491,537.96, 737,306.16 and 154,608.20 is: 231,912.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,537.96 : 737,306.16 = 154,608.20 : x
  2. Step 2: Convert to fraction form
    491,537.96/737,306.16 = 154,608.20/x
  3. Step 3: Cross multiply
    491,537.96x = 737,306.16 × 154,608.20
  4. Step 4: Simplify right side
    491,537.96x = 113,993,578,246.51
  5. Step 5: Solve for x
    x = 113,993,578,246.51/491,537.96
  6. Step 6: Final answer
    x = 231,912.05

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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.