Finding the Fourth Proportional to 226,147.26, 339,376.40 and 78,403.26
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Solution
The fourth proportional to 226,147.26, 339,376.40 and 78,403.26 is: 117,658.80
Step by Step Solution
- Step 1: Write the proportion equation
226,147.26 : 339,376.40 = 78,403.26 : x - Step 2: Convert to fraction form
226,147.26/339,376.40 = 78,403.26/x - Step 3: Cross multiply
226,147.26x = 339,376.40 × 78,403.26 - Step 4: Simplify right side
226,147.26x = 26,608,216,127.06 - Step 5: Solve for x
x = 26,608,216,127.06/226,147.26 - Step 6: Final answer
x = 117,658.80
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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.