Finding the Fourth Proportional to 340,716.62, 511,391.37 and 172,355.96
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Solution
The fourth proportional to 340,716.62, 511,391.37 and 172,355.96 is: 258,694.02
Step by Step Solution
- Step 1: Write the proportion equation
340,716.62 : 511,391.37 = 172,355.96 : x - Step 2: Convert to fraction form
340,716.62/511,391.37 = 172,355.96/x - Step 3: Cross multiply
340,716.62x = 511,391.37 × 172,355.96 - Step 4: Simplify right side
340,716.62x = 88,141,350,512.07 - Step 5: Solve for x
x = 88,141,350,512.07/340,716.62 - Step 6: Final answer
x = 258,694.02
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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.