Home / 246,238.61-339,788.88-138,835.04

Finding the Fourth Proportional to 246,238.61, 339,788.88 and 138,835.04

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Solution

The fourth proportional to 246,238.61, 339,788.88 and 138,835.04 is: 191,580.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,238.61 : 339,788.88 = 138,835.04 : x
  2. Step 2: Convert to fraction form
    246,238.61/339,788.88 = 138,835.04/x
  3. Step 3: Cross multiply
    246,238.61x = 339,788.88 × 138,835.04
  4. Step 4: Simplify right side
    246,238.61x = 47,174,601,047.41
  5. Step 5: Solve for x
    x = 47,174,601,047.41/246,238.61
  6. Step 6: Final answer
    x = 191,580.85

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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.