Home / 227,339.45-313,721.25-125,369.21

Finding the Fourth Proportional to 227,339.45, 313,721.25 and 125,369.21

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Solution

The fourth proportional to 227,339.45, 313,721.25 and 125,369.21 is: 173,005.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,339.45 : 313,721.25 = 125,369.21 : x
  2. Step 2: Convert to fraction form
    227,339.45/313,721.25 = 125,369.21/x
  3. Step 3: Cross multiply
    227,339.45x = 313,721.25 × 125,369.21
  4. Step 4: Simplify right side
    227,339.45x = 39,330,985,272.71
  5. Step 5: Solve for x
    x = 39,330,985,272.71/227,339.45
  6. Step 6: Final answer
    x = 173,005.54

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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.