Home / 349,684.22-482,099.69-228,617.36

Finding the Fourth Proportional to 349,684.22, 482,099.69 and 228,617.36

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Solution

The fourth proportional to 349,684.22, 482,099.69 and 228,617.36 is: 315,188.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,684.22 : 482,099.69 = 228,617.36 : x
  2. Step 2: Convert to fraction form
    349,684.22/482,099.69 = 228,617.36/x
  3. Step 3: Cross multiply
    349,684.22x = 482,099.69 × 228,617.36
  4. Step 4: Simplify right side
    349,684.22x = 110,216,358,446.78
  5. Step 5: Solve for x
    x = 110,216,358,446.78/349,684.22
  6. Step 6: Final answer
    x = 315,188.26

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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.