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Finding the Fourth Proportional to 451,228.32, 622,687.50 and 269,837.12

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Solution

The fourth proportional to 451,228.32, 622,687.50 and 269,837.12 is: 372,370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,228.32 : 622,687.50 = 269,837.12 : x
  2. Step 2: Convert to fraction form
    451,228.32/622,687.50 = 269,837.12/x
  3. Step 3: Cross multiply
    451,228.32x = 622,687.50 × 269,837.12
  4. Step 4: Simplify right side
    451,228.32x = 168,024,203,216.72
  5. Step 5: Solve for x
    x = 168,024,203,216.72/451,228.32
  6. Step 6: Final answer
    x = 372,370.70

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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.