Home / 246,369.47-339,979.51-138,949.49

Finding the Fourth Proportional to 246,369.47, 339,979.51 and 138,949.49

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Solution

The fourth proportional to 246,369.47, 339,979.51 and 138,949.49 is: 191,744.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,369.47 : 339,979.51 = 138,949.49 : x
  2. Step 2: Convert to fraction form
    246,369.47/339,979.51 = 138,949.49/x
  3. Step 3: Cross multiply
    246,369.47x = 339,979.51 × 138,949.49
  4. Step 4: Simplify right side
    246,369.47x = 47,239,980,548.59
  5. Step 5: Solve for x
    x = 47,239,980,548.59/246,369.47
  6. Step 6: Final answer
    x = 191,744.46

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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.