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Finding the Fourth Proportional to 496,516.73, 744,191.87 and 229,713.66

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Solution

The fourth proportional to 496,516.73, 744,191.87 and 229,713.66 is: 344,300.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,516.73 : 744,191.87 = 229,713.66 : x
  2. Step 2: Convert to fraction form
    496,516.73/744,191.87 = 229,713.66/x
  3. Step 3: Cross multiply
    496,516.73x = 744,191.87 × 229,713.66
  4. Step 4: Simplify right side
    496,516.73x = 170,951,037,051.38
  5. Step 5: Solve for x
    x = 170,951,037,051.38/496,516.73
  6. Step 6: Final answer
    x = 344,300.66

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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.