Home / 325,890.37-449,257.74-228,798.64

Finding the Fourth Proportional to 325,890.37, 449,257.74 and 228,798.64

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Solution

The fourth proportional to 325,890.37, 449,257.74 and 228,798.64 is: 315,411.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,890.37 : 449,257.74 = 228,798.64 : x
  2. Step 2: Convert to fraction form
    325,890.37/449,257.74 = 228,798.64/x
  3. Step 3: Cross multiply
    325,890.37x = 449,257.74 × 228,798.64
  4. Step 4: Simplify right side
    325,890.37x = 102,789,559,921.47
  5. Step 5: Solve for x
    x = 102,789,559,921.47/325,890.37
  6. Step 6: Final answer
    x = 315,411.47

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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.