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Finding the Fourth Proportional to 323,225.14, 446,049.57 and 179,986.90

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Solution

The fourth proportional to 323,225.14, 446,049.57 and 179,986.90 is: 248,381.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,225.14 : 446,049.57 = 179,986.90 : x
  2. Step 2: Convert to fraction form
    323,225.14/446,049.57 = 179,986.90/x
  3. Step 3: Cross multiply
    323,225.14x = 446,049.57 × 179,986.90
  4. Step 4: Simplify right side
    323,225.14x = 80,283,079,350.63
  5. Step 5: Solve for x
    x = 80,283,079,350.63/323,225.14
  6. Step 6: Final answer
    x = 248,381.30

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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.