Home / 272,220.26-408,413.46-139,193.96

Finding the Fourth Proportional to 272,220.26, 408,413.46 and 139,193.96

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Solution

The fourth proportional to 272,220.26, 408,413.46 and 139,193.96 is: 208,833.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,220.26 : 408,413.46 = 139,193.96 : x
  2. Step 2: Convert to fraction form
    272,220.26/408,413.46 = 139,193.96/x
  3. Step 3: Cross multiply
    272,220.26x = 408,413.46 × 139,193.96
  4. Step 4: Simplify right side
    272,220.26x = 56,848,684,772.63
  5. Step 5: Solve for x
    x = 56,848,684,772.63/272,220.26
  6. Step 6: Final answer
    x = 208,833.41

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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.