Home / 246,285.66-339,871.04-138,890.30

Finding the Fourth Proportional to 246,285.66, 339,871.04 and 138,890.30

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Solution

The fourth proportional to 246,285.66, 339,871.04 and 138,890.30 is: 191,666.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,285.66 : 339,871.04 = 138,890.30 : x
  2. Step 2: Convert to fraction form
    246,285.66/339,871.04 = 138,890.30/x
  3. Step 3: Cross multiply
    246,285.66x = 339,871.04 × 138,890.30
  4. Step 4: Simplify right side
    246,285.66x = 47,204,788,833.94
  5. Step 5: Solve for x
    x = 47,204,788,833.94/246,285.66
  6. Step 6: Final answer
    x = 191,666.82

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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.