Finding the Fourth Proportional to 226,974.26, 339,821.30 and 120,116.18
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Solution
The fourth proportional to 226,974.26, 339,821.30 and 120,116.18 is: 179,835.53
Step by Step Solution
- Step 1: Write the proportion equation
226,974.26 : 339,821.30 = 120,116.18 : x - Step 2: Convert to fraction form
226,974.26/339,821.30 = 120,116.18/x - Step 3: Cross multiply
226,974.26x = 339,821.30 × 120,116.18 - Step 4: Simplify right side
226,974.26x = 40,818,036,438.63 - Step 5: Solve for x
x = 40,818,036,438.63/226,974.26 - Step 6: Final answer
x = 179,835.53
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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.