Home / 227,429.28-313,838.20-125,455.92

Finding the Fourth Proportional to 227,429.28, 313,838.20 and 125,455.92

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Solution

The fourth proportional to 227,429.28, 313,838.20 and 125,455.92 is: 173,121.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,429.28 : 313,838.20 = 125,455.92 : x
  2. Step 2: Convert to fraction form
    227,429.28/313,838.20 = 125,455.92/x
  3. Step 3: Cross multiply
    227,429.28x = 313,838.20 × 125,455.92
  4. Step 4: Simplify right side
    227,429.28x = 39,372,860,112.14
  5. Step 5: Solve for x
    x = 39,372,860,112.14/227,429.28
  6. Step 6: Final answer
    x = 173,121.33

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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.