Finding the Fourth Proportional to 335,629.05, 503,442.97 and 99,137.81
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Solution
The fourth proportional to 335,629.05, 503,442.97 and 99,137.81 is: 148,706.53
Step by Step Solution
- Step 1: Write the proportion equation
335,629.05 : 503,442.97 = 99,137.81 : x - Step 2: Convert to fraction form
335,629.05/503,442.97 = 99,137.81/x - Step 3: Cross multiply
335,629.05x = 503,442.97 × 99,137.81 - Step 4: Simplify right side
335,629.05x = 49,910,233,186.20 - Step 5: Solve for x
x = 49,910,233,186.20/335,629.05 - Step 6: Final answer
x = 148,706.53
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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.