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Finding the Fourth Proportional to 450,761.82, 622,051.22 and 246,812.72

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Solution

The fourth proportional to 450,761.82, 622,051.22 and 246,812.72 is: 340,601.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,761.82 : 622,051.22 = 246,812.72 : x
  2. Step 2: Convert to fraction form
    450,761.82/622,051.22 = 246,812.72/x
  3. Step 3: Cross multiply
    450,761.82x = 622,051.22 × 246,812.72
  4. Step 4: Simplify right side
    450,761.82x = 153,530,149,243.20
  5. Step 5: Solve for x
    x = 153,530,149,243.20/450,761.82
  6. Step 6: Final answer
    x = 340,601.49

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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.