Finding the Fourth Proportional to 226,766.40, 340,198.80 and 68,990.75
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Solution
The fourth proportional to 226,766.40, 340,198.80 and 68,990.75 is: 103,501.09
Step by Step Solution
- Step 1: Write the proportion equation
226,766.40 : 340,198.80 = 68,990.75 : x - Step 2: Convert to fraction form
226,766.40/340,198.80 = 68,990.75/x - Step 3: Cross multiply
226,766.40x = 340,198.80 × 68,990.75 - Step 4: Simplify right side
226,766.40x = 23,470,570,361.10 - Step 5: Solve for x
x = 23,470,570,361.10/226,766.40 - Step 6: Final answer
x = 103,501.09
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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.