Home / 339,968.21-469,146.56-187,006.23

Finding the Fourth Proportional to 339,968.21, 469,146.56 and 187,006.23

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Solution

The fourth proportional to 339,968.21, 469,146.56 and 187,006.23 is: 258,063.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,968.21 : 469,146.56 = 187,006.23 : x
  2. Step 2: Convert to fraction form
    339,968.21/469,146.56 = 187,006.23/x
  3. Step 3: Cross multiply
    339,968.21x = 469,146.56 × 187,006.23
  4. Step 4: Simplify right side
    339,968.21x = 87,733,328,568.04
  5. Step 5: Solve for x
    x = 87,733,328,568.04/339,968.21
  6. Step 6: Final answer
    x = 258,063.33

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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.