Finding the Fourth Proportional to 226,660.80, 339,976.62 and 68,890.62
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Solution
The fourth proportional to 226,660.80, 339,976.62 and 68,890.62 is: 103,331.50
Step by Step Solution
- Step 1: Write the proportion equation
226,660.80 : 339,976.62 = 68,890.62 : x - Step 2: Convert to fraction form
226,660.80/339,976.62 = 68,890.62/x - Step 3: Cross multiply
226,660.80x = 339,976.62 × 68,890.62 - Step 4: Simplify right side
226,660.80x = 23,421,200,137.30 - Step 5: Solve for x
x = 23,421,200,137.30/226,660.80 - Step 6: Final answer
x = 103,331.50
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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.