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Finding the Fourth Proportional to 451,350.64, 622,850.52 and 247,397.20

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Solution

The fourth proportional to 451,350.64, 622,850.52 and 247,397.20 is: 341,400.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,350.64 : 622,850.52 = 247,397.20 : x
  2. Step 2: Convert to fraction form
    451,350.64/622,850.52 = 247,397.20/x
  3. Step 3: Cross multiply
    451,350.64x = 622,850.52 × 247,397.20
  4. Step 4: Simplify right side
    451,350.64x = 154,091,474,666.54
  5. Step 5: Solve for x
    x = 154,091,474,666.54/451,350.64
  6. Step 6: Final answer
    x = 341,400.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.