Home / 340,016.21-469,203.82-187,029.71

Finding the Fourth Proportional to 340,016.21, 469,203.82 and 187,029.71

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Solution

The fourth proportional to 340,016.21, 469,203.82 and 187,029.71 is: 258,090.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,016.21 : 469,203.82 = 187,029.71 : x
  2. Step 2: Convert to fraction form
    340,016.21/469,203.82 = 187,029.71/x
  3. Step 3: Cross multiply
    340,016.21x = 469,203.82 × 187,029.71
  4. Step 4: Simplify right side
    340,016.21x = 87,755,051,571.90
  5. Step 5: Solve for x
    x = 87,755,051,571.90/340,016.21
  6. Step 6: Final answer
    x = 258,090.79

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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.