Finding the Fourth Proportional to 226,644.30, 339,951.87 and 68,874.12
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Solution
The fourth proportional to 226,644.30, 339,951.87 and 68,874.12 is: 103,306.75
Step by Step Solution
- Step 1: Write the proportion equation
226,644.30 : 339,951.87 = 68,874.12 : x - Step 2: Convert to fraction form
226,644.30/339,951.87 = 68,874.12/x - Step 3: Cross multiply
226,644.30x = 339,951.87 × 68,874.12 - Step 4: Simplify right side
226,644.30x = 23,413,885,888.60 - Step 5: Solve for x
x = 23,413,885,888.60/226,644.30 - Step 6: Final answer
x = 103,306.75
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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.