Finding the Fourth Proportional to 248,745.75, 343,278.39 and 141,333.99
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Solution
The fourth proportional to 248,745.75, 343,278.39 and 141,333.99 is: 195,046.16
Step by Step Solution
- Step 1: Write the proportion equation
248,745.75 : 343,278.39 = 141,333.99 : x - Step 2: Convert to fraction form
248,745.75/343,278.39 = 141,333.99/x - Step 3: Cross multiply
248,745.75x = 343,278.39 × 141,333.99 - Step 4: Simplify right side
248,745.75x = 48,516,904,539.48 - Step 5: Solve for x
x = 48,516,904,539.48/248,745.75 - Step 6: Final answer
x = 195,046.16
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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.