Home / 447,249.02-670,736.94-127,427

Finding the Fourth Proportional to 447,249.02, 670,736.94 and 127,427

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Solution

The fourth proportional to 447,249.02, 670,736.94 and 127,427 is: 191,101.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,249.02 : 670,736.94 = 127,427 : x
  2. Step 2: Convert to fraction form
    447,249.02/670,736.94 = 127,427/x
  3. Step 3: Cross multiply
    447,249.02x = 670,736.94 × 127,427
  4. Step 4: Simplify right side
    447,249.02x = 85,469,996,053.38
  5. Step 5: Solve for x
    x = 85,469,996,053.38/447,249.02
  6. Step 6: Final answer
    x = 191,101.58

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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.