Home / 348,986.93-481,479.28-228,198.92

Finding the Fourth Proportional to 348,986.93, 481,479.28 and 228,198.92

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Solution

The fourth proportional to 348,986.93, 481,479.28 and 228,198.92 is: 314,834.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,986.93 : 481,479.28 = 228,198.92 : x
  2. Step 2: Convert to fraction form
    348,986.93/481,479.28 = 228,198.92/x
  3. Step 3: Cross multiply
    348,986.93x = 481,479.28 × 228,198.92
  4. Step 4: Simplify right side
    348,986.93x = 109,873,048,720.48
  5. Step 5: Solve for x
    x = 109,873,048,720.48/348,986.93
  6. Step 6: Final answer
    x = 314,834.28

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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.