Home / 228,942.40-343,413.60-154,292.80

Finding the Fourth Proportional to 228,942.40, 343,413.60 and 154,292.80

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Solution

The fourth proportional to 228,942.40, 343,413.60 and 154,292.80 is: 231,439.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,942.40 : 343,413.60 = 154,292.80 : x
  2. Step 2: Convert to fraction form
    228,942.40/343,413.60 = 154,292.80/x
  3. Step 3: Cross multiply
    228,942.40x = 343,413.60 × 154,292.80
  4. Step 4: Simplify right side
    228,942.40x = 52,986,245,902.08
  5. Step 5: Solve for x
    x = 52,986,245,902.08/228,942.40
  6. Step 6: Final answer
    x = 231,439.20

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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.