Home / 278,273.14-417,375.65-118,413.29

Finding the Fourth Proportional to 278,273.14, 417,375.65 and 118,413.29

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Solution

The fourth proportional to 278,273.14, 417,375.65 and 118,413.29 is: 177,605.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,273.14 : 417,375.65 = 118,413.29 : x
  2. Step 2: Convert to fraction form
    278,273.14/417,375.65 = 118,413.29/x
  3. Step 3: Cross multiply
    278,273.14x = 417,375.65 × 118,413.29
  4. Step 4: Simplify right side
    278,273.14x = 49,422,825,221.86
  5. Step 5: Solve for x
    x = 49,422,825,221.86/278,273.14
  6. Step 6: Final answer
    x = 177,605.45

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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.