Home / 290,222.39-434,207.27-254,414.37

Finding the Fourth Proportional to 290,222.39, 434,207.27 and 254,414.37

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Solution

The fourth proportional to 290,222.39, 434,207.27 and 254,414.37 is: 380,634.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,222.39 : 434,207.27 = 254,414.37 : x
  2. Step 2: Convert to fraction form
    290,222.39/434,207.27 = 254,414.37/x
  3. Step 3: Cross multiply
    290,222.39x = 434,207.27 × 254,414.37
  4. Step 4: Simplify right side
    290,222.39x = 110,468,569,046.47
  5. Step 5: Solve for x
    x = 110,468,569,046.47/290,222.39
  6. Step 6: Final answer
    x = 380,634.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.