Home / 215,413.96-322,835.80-165,302.52

Finding the Fourth Proportional to 215,413.96, 322,835.80 and 165,302.52

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Solution

The fourth proportional to 215,413.96, 322,835.80 and 165,302.52 is: 247,734.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,413.96 : 322,835.80 = 165,302.52 : x
  2. Step 2: Convert to fraction form
    215,413.96/322,835.80 = 165,302.52/x
  3. Step 3: Cross multiply
    215,413.96x = 322,835.80 × 165,302.52
  4. Step 4: Simplify right side
    215,413.96x = 53,365,571,286.22
  5. Step 5: Solve for x
    x = 53,365,571,286.22/215,413.96
  6. Step 6: Final answer
    x = 247,734.97

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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.