Home / 347,896.20-521,844.30-111,246.60

Finding the Fourth Proportional to 347,896.20, 521,844.30 and 111,246.60

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Solution

The fourth proportional to 347,896.20, 521,844.30 and 111,246.60 is: 166,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,896.20 : 521,844.30 = 111,246.60 : x
  2. Step 2: Convert to fraction form
    347,896.20/521,844.30 = 111,246.60/x
  3. Step 3: Cross multiply
    347,896.20x = 521,844.30 × 111,246.60
  4. Step 4: Simplify right side
    347,896.20x = 58,053,404,104.38
  5. Step 5: Solve for x
    x = 58,053,404,104.38/347,896.20
  6. Step 6: Final answer
    x = 166,869.90

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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.