Home / 485,857.14-670,481.10-270,997.04

Finding the Fourth Proportional to 485,857.14, 670,481.10 and 270,997.04

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Solution

The fourth proportional to 485,857.14, 670,481.10 and 270,997.04 is: 373,974.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,857.14 : 670,481.10 = 270,997.04 : x
  2. Step 2: Convert to fraction form
    485,857.14/670,481.10 = 270,997.04/x
  3. Step 3: Cross multiply
    485,857.14x = 670,481.10 × 270,997.04
  4. Step 4: Simplify right side
    485,857.14x = 181,698,393,475.94
  5. Step 5: Solve for x
    x = 181,698,393,475.94/485,857.14
  6. Step 6: Final answer
    x = 373,974.94

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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.