Home / 313,969.17-434,418.39-273,766.71

Finding the Fourth Proportional to 313,969.17, 434,418.39 and 273,766.71

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Solution

The fourth proportional to 313,969.17, 434,418.39 and 273,766.71 is: 378,792.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,969.17 : 434,418.39 = 273,766.71 : x
  2. Step 2: Convert to fraction form
    313,969.17/434,418.39 = 273,766.71/x
  3. Step 3: Cross multiply
    313,969.17x = 434,418.39 × 273,766.71
  4. Step 4: Simplify right side
    313,969.17x = 118,929,293,393.80
  5. Step 5: Solve for x
    x = 118,929,293,393.80/313,969.17
  6. Step 6: Final answer
    x = 378,792.90

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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.