Home / 246,743.72-340,487.31-139,324.35

Finding the Fourth Proportional to 246,743.72, 340,487.31 and 139,324.35

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Solution

The fourth proportional to 246,743.72, 340,487.31 and 139,324.35 is: 192,256.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,743.72 : 340,487.31 = 139,324.35 : x
  2. Step 2: Convert to fraction form
    246,743.72/340,487.31 = 139,324.35/x
  3. Step 3: Cross multiply
    246,743.72x = 340,487.31 × 139,324.35
  4. Step 4: Simplify right side
    246,743.72x = 47,438,173,149.00
  5. Step 5: Solve for x
    x = 47,438,173,149.00/246,743.72
  6. Step 6: Final answer
    x = 192,256.87

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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.