Finding the Fourth Proportional to 303,414.73, 418,716.75 and 167,455.02
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Solution
The fourth proportional to 303,414.73, 418,716.75 and 167,455.02 is: 231,090.37
Step by Step Solution
- Step 1: Write the proportion equation
303,414.73 : 418,716.75 = 167,455.02 : x - Step 2: Convert to fraction form
303,414.73/418,716.75 = 167,455.02/x - Step 3: Cross multiply
303,414.73x = 418,716.75 × 167,455.02 - Step 4: Simplify right side
303,414.73x = 70,116,221,745.59 - Step 5: Solve for x
x = 70,116,221,745.59/303,414.73 - Step 6: Final answer
x = 231,090.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.