Home / 348,986.36-481,478.51-228,198.35

Finding the Fourth Proportional to 348,986.36, 481,478.51 and 228,198.35

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Solution

The fourth proportional to 348,986.36, 481,478.51 and 228,198.35 is: 314,833.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,986.36 : 481,478.51 = 228,198.35 : x
  2. Step 2: Convert to fraction form
    348,986.36/481,478.51 = 228,198.35/x
  3. Step 3: Cross multiply
    348,986.36x = 481,478.51 × 228,198.35
  4. Step 4: Simplify right side
    348,986.36x = 109,872,597,994.07
  5. Step 5: Solve for x
    x = 109,872,597,994.07/348,986.36
  6. Step 6: Final answer
    x = 314,833.51

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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.