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Finding the Fourth Proportional to 323,173.44, 444,990.24 and 322,240.32

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Solution

The fourth proportional to 323,173.44, 444,990.24 and 322,240.32 is: 443,705.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,173.44 : 444,990.24 = 322,240.32 : x
  2. Step 2: Convert to fraction form
    323,173.44/444,990.24 = 322,240.32/x
  3. Step 3: Cross multiply
    323,173.44x = 444,990.24 × 322,240.32
  4. Step 4: Simplify right side
    323,173.44x = 143,393,797,334.48
  5. Step 5: Solve for x
    x = 143,393,797,334.48/323,173.44
  6. Step 6: Final answer
    x = 443,705.39

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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.