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Finding the Fourth Proportional to 300,371.44, 413,832.80 and 246,571.28

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Solution

The fourth proportional to 300,371.44, 413,832.80 and 246,571.28 is: 339,710.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,371.44 : 413,832.80 = 246,571.28 : x
  2. Step 2: Convert to fraction form
    300,371.44/413,832.80 = 246,571.28/x
  3. Step 3: Cross multiply
    300,371.44x = 413,832.80 × 246,571.28
  4. Step 4: Simplify right side
    300,371.44x = 102,039,283,201.98
  5. Step 5: Solve for x
    x = 102,039,283,201.98/300,371.44
  6. Step 6: Final answer
    x = 339,710.34

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1.5x scale

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.