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Finding the Fourth Proportional to 451,207.08, 676,797.86 and 151,704.72

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Solution

The fourth proportional to 451,207.08, 676,797.86 and 151,704.72 is: 227,552.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,207.08 : 676,797.86 = 151,704.72 : x
  2. Step 2: Convert to fraction form
    451,207.08/676,797.86 = 151,704.72/x
  3. Step 3: Cross multiply
    451,207.08x = 676,797.86 × 151,704.72
  4. Step 4: Simplify right side
    451,207.08x = 102,673,430,227.16
  5. Step 5: Solve for x
    x = 102,673,430,227.16/451,207.08
  6. Step 6: Final answer
    x = 227,552.79

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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.