Home / 347,198.34-479,129.40-203,971.44

Finding the Fourth Proportional to 347,198.34, 479,129.40 and 203,971.44

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Solution

The fourth proportional to 347,198.34, 479,129.40 and 203,971.44 is: 281,478.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,198.34 : 479,129.40 = 203,971.44 : x
  2. Step 2: Convert to fraction form
    347,198.34/479,129.40 = 203,971.44/x
  3. Step 3: Cross multiply
    347,198.34x = 479,129.40 × 203,971.44
  4. Step 4: Simplify right side
    347,198.34x = 97,728,713,664.34
  5. Step 5: Solve for x
    x = 97,728,713,664.34/347,198.34
  6. Step 6: Final answer
    x = 281,478.06

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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.