Finding the Fourth Proportional to 202,791.36, 304,229.88 and 76,428.94
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Solution
The fourth proportional to 202,791.36, 304,229.88 and 76,428.94 is: 114,659.56
Step by Step Solution
- Step 1: Write the proportion equation
202,791.36 : 304,229.88 = 76,428.94 : x - Step 2: Convert to fraction form
202,791.36/304,229.88 = 76,428.94/x - Step 3: Cross multiply
202,791.36x = 304,229.88 × 76,428.94 - Step 4: Simplify right side
202,791.36x = 23,251,967,244.73 - Step 5: Solve for x
x = 23,251,967,244.73/202,791.36 - Step 6: Final answer
x = 114,659.56
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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.