Home / 339,987.06-469,167.66-187,015.50

Finding the Fourth Proportional to 339,987.06, 469,167.66 and 187,015.50

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Solution

The fourth proportional to 339,987.06, 469,167.66 and 187,015.50 is: 258,073.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,987.06 : 469,167.66 = 187,015.50 : x
  2. Step 2: Convert to fraction form
    339,987.06/469,167.66 = 187,015.50/x
  3. Step 3: Cross multiply
    339,987.06x = 469,167.66 × 187,015.50
  4. Step 4: Simplify right side
    339,987.06x = 87,741,624,518.73
  5. Step 5: Solve for x
    x = 87,741,624,518.73/339,987.06
  6. Step 6: Final answer
    x = 258,073.42

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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.