Home / 349,683.46-482,098.65-228,616.61

Finding the Fourth Proportional to 349,683.46, 482,098.65 and 228,616.61

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Solution

The fourth proportional to 349,683.46, 482,098.65 and 228,616.61 is: 315,187.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,683.46 : 482,098.65 = 228,616.61 : x
  2. Step 2: Convert to fraction form
    349,683.46/482,098.65 = 228,616.61/x
  3. Step 3: Cross multiply
    349,683.46x = 482,098.65 × 228,616.61
  4. Step 4: Simplify right side
    349,683.46x = 110,215,759,778.54
  5. Step 5: Solve for x
    x = 110,215,759,778.54/349,683.46
  6. Step 6: Final answer
    x = 315,187.22

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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.