Home / 395,413.23-592,997.19-142,660.86

Finding the Fourth Proportional to 395,413.23, 592,997.19 and 142,660.86

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Solution

The fourth proportional to 395,413.23, 592,997.19 and 142,660.86 is: 213,947.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,413.23 : 592,997.19 = 142,660.86 : x
  2. Step 2: Convert to fraction form
    395,413.23/592,997.19 = 142,660.86/x
  3. Step 3: Cross multiply
    395,413.23x = 592,997.19 × 142,660.86
  4. Step 4: Simplify right side
    395,413.23x = 84,597,489,102.98
  5. Step 5: Solve for x
    x = 84,597,489,102.98/395,413.23
  6. Step 6: Final answer
    x = 213,947.04

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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.