Home / 246,215.78-339,719.90-149,417.45

Finding the Fourth Proportional to 246,215.78, 339,719.90 and 149,417.45

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Solution

The fourth proportional to 246,215.78, 339,719.90 and 149,417.45 is: 206,160.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,215.78 : 339,719.90 = 149,417.45 : x
  2. Step 2: Convert to fraction form
    246,215.78/339,719.90 = 149,417.45/x
  3. Step 3: Cross multiply
    246,215.78x = 339,719.90 × 149,417.45
  4. Step 4: Simplify right side
    246,215.78x = 50,760,078,726.57
  5. Step 5: Solve for x
    x = 50,760,078,726.57/246,215.78
  6. Step 6: Final answer
    x = 206,160.95

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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.