Home / 378,413.52-566,977.94-228,338.46

Finding the Fourth Proportional to 378,413.52, 566,977.94 and 228,338.46

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Solution

The fourth proportional to 378,413.52, 566,977.94 and 228,338.46 is: 342,120.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,413.52 : 566,977.94 = 228,338.46 : x
  2. Step 2: Convert to fraction form
    378,413.52/566,977.94 = 228,338.46/x
  3. Step 3: Cross multiply
    378,413.52x = 566,977.94 × 228,338.46
  4. Step 4: Simplify right side
    378,413.52x = 129,462,868,531.88
  5. Step 5: Solve for x
    x = 129,462,868,531.88/378,413.52
  6. Step 6: Final answer
    x = 342,120.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.