Home / 215,413.20-322,219.79-151,366.86

Finding the Fourth Proportional to 215,413.20, 322,219.79 and 151,366.86

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Solution

The fourth proportional to 215,413.20, 322,219.79 and 151,366.86 is: 226,417.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,413.20 : 322,219.79 = 151,366.86 : x
  2. Step 2: Convert to fraction form
    215,413.20/322,219.79 = 151,366.86/x
  3. Step 3: Cross multiply
    215,413.20x = 322,219.79 × 151,366.86
  4. Step 4: Simplify right side
    215,413.20x = 48,773,397,085.33
  5. Step 5: Solve for x
    x = 48,773,397,085.33/215,413.20
  6. Step 6: Final answer
    x = 226,417.87

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1.5x scale

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.