Home / 347,896.30-521,815.29-111,175.42

Finding the Fourth Proportional to 347,896.30, 521,815.29 and 111,175.42

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Solution

The fourth proportional to 347,896.30, 521,815.29 and 111,175.42 is: 166,753.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,896.30 : 521,815.29 = 111,175.42 : x
  2. Step 2: Convert to fraction form
    347,896.30/521,815.29 = 111,175.42/x
  3. Step 3: Cross multiply
    347,896.30x = 521,815.29 × 111,175.42
  4. Step 4: Simplify right side
    347,896.30x = 58,013,034,028.17
  5. Step 5: Solve for x
    x = 58,013,034,028.17/347,896.30
  6. Step 6: Final answer
    x = 166,753.81

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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.