Home / 373,477.14-515,438.38-228,367.97

Finding the Fourth Proportional to 373,477.14, 515,438.38 and 228,367.97

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Solution

The fourth proportional to 373,477.14, 515,438.38 and 228,367.97 is: 315,172.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,477.14 : 515,438.38 = 228,367.97 : x
  2. Step 2: Convert to fraction form
    373,477.14/515,438.38 = 228,367.97/x
  3. Step 3: Cross multiply
    373,477.14x = 515,438.38 × 228,367.97
  4. Step 4: Simplify right side
    373,477.14x = 117,709,617,218.37
  5. Step 5: Solve for x
    x = 117,709,617,218.37/373,477.14
  6. Step 6: Final answer
    x = 315,172.21

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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.