Home / 348,819.26-481,039.88-228,064.05

Finding the Fourth Proportional to 348,819.26, 481,039.88 and 228,064.05

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Solution

The fourth proportional to 348,819.26, 481,039.88 and 228,064.05 is: 314,512.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,819.26 : 481,039.88 = 228,064.05 : x
  2. Step 2: Convert to fraction form
    348,819.26/481,039.88 = 228,064.05/x
  3. Step 3: Cross multiply
    348,819.26x = 481,039.88 × 228,064.05
  4. Step 4: Simplify right side
    348,819.26x = 109,707,902,103.99
  5. Step 5: Solve for x
    x = 109,707,902,103.99/348,819.26
  6. Step 6: Final answer
    x = 314,512.17

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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.