Home / 246,329.91-339,928.52-138,899.07

Finding the Fourth Proportional to 246,329.91, 339,928.52 and 138,899.07

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Solution

The fourth proportional to 246,329.91, 339,928.52 and 138,899.07 is: 191,676.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,329.91 : 339,928.52 = 138,899.07 : x
  2. Step 2: Convert to fraction form
    246,329.91/339,928.52 = 138,899.07/x
  3. Step 3: Cross multiply
    246,329.91x = 339,928.52 × 138,899.07
  4. Step 4: Simplify right side
    246,329.91x = 47,215,754,599.98
  5. Step 5: Solve for x
    x = 47,215,754,599.98/246,329.91
  6. Step 6: Final answer
    x = 191,676.90

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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.