Home / 214,413.13-321,619.69-146,878.57

Finding the Fourth Proportional to 214,413.13, 321,619.69 and 146,878.57

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Solution

The fourth proportional to 214,413.13, 321,619.69 and 146,878.57 is: 220,317.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,413.13 : 321,619.69 = 146,878.57 : x
  2. Step 2: Convert to fraction form
    214,413.13/321,619.69 = 146,878.57/x
  3. Step 3: Cross multiply
    214,413.13x = 321,619.69 × 146,878.57
  4. Step 4: Simplify right side
    214,413.13x = 47,239,038,542.94
  5. Step 5: Solve for x
    x = 47,239,038,542.94/214,413.13
  6. Step 6: Final answer
    x = 220,317.85

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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.