Home / 323,100.09-445,828.05-187,147.26

Finding the Fourth Proportional to 323,100.09, 445,828.05 and 187,147.26

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Solution

The fourth proportional to 323,100.09, 445,828.05 and 187,147.26 is: 258,234.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,100.09 : 445,828.05 = 187,147.26 : x
  2. Step 2: Convert to fraction form
    323,100.09/445,828.05 = 187,147.26/x
  3. Step 3: Cross multiply
    323,100.09x = 445,828.05 × 187,147.26
  4. Step 4: Simplify right side
    323,100.09x = 83,435,497,988.64
  5. Step 5: Solve for x
    x = 83,435,497,988.64/323,100.09
  6. Step 6: Final answer
    x = 258,234.21

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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.