Home / 447,634.20-671,451.30-132,090.60

Finding the Fourth Proportional to 447,634.20, 671,451.30 and 132,090.60

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Solution

The fourth proportional to 447,634.20, 671,451.30 and 132,090.60 is: 198,135.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,634.20 : 671,451.30 = 132,090.60 : x
  2. Step 2: Convert to fraction form
    447,634.20/671,451.30 = 132,090.60/x
  3. Step 3: Cross multiply
    447,634.20x = 671,451.30 × 132,090.60
  4. Step 4: Simplify right side
    447,634.20x = 88,692,405,087.78
  5. Step 5: Solve for x
    x = 88,692,405,087.78/447,634.20
  6. Step 6: Final answer
    x = 198,135.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.