Home / 246,228.90-339,798.15-138,789.42

Finding the Fourth Proportional to 246,228.90, 339,798.15 and 138,789.42

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Solution

The fourth proportional to 246,228.90, 339,798.15 and 138,789.42 is: 191,530.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,228.90 : 339,798.15 = 138,789.42 : x
  2. Step 2: Convert to fraction form
    246,228.90/339,798.15 = 138,789.42/x
  3. Step 3: Cross multiply
    246,228.90x = 339,798.15 × 138,789.42
  4. Step 4: Simplify right side
    246,228.90x = 47,160,388,155.57
  5. Step 5: Solve for x
    x = 47,160,388,155.57/246,228.90
  6. Step 6: Final answer
    x = 191,530.68

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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.