Home / 443,634.87-612,228.38-271,549.46

Finding the Fourth Proportional to 443,634.87, 612,228.38 and 271,549.46

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Solution

The fourth proportional to 443,634.87, 612,228.38 and 271,549.46 is: 374,745.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,634.87 : 612,228.38 = 271,549.46 : x
  2. Step 2: Convert to fraction form
    443,634.87/612,228.38 = 271,549.46/x
  3. Step 3: Cross multiply
    443,634.87x = 612,228.38 × 271,549.46
  4. Step 4: Simplify right side
    443,634.87x = 166,250,286,158.50
  5. Step 5: Solve for x
    x = 166,250,286,158.50/443,634.87
  6. Step 6: Final answer
    x = 374,745.76

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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.