Finding the Fourth Proportional to 248,642.30, 343,114.44 and 141,198.14
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Solution
The fourth proportional to 248,642.30, 343,114.44 and 141,198.14 is: 194,846.66
Step by Step Solution
- Step 1: Write the proportion equation
248,642.30 : 343,114.44 = 141,198.14 : x - Step 2: Convert to fraction form
248,642.30/343,114.44 = 141,198.14/x - Step 3: Cross multiply
248,642.30x = 343,114.44 × 141,198.14 - Step 4: Simplify right side
248,642.30x = 48,447,120,735.14 - Step 5: Solve for x
x = 48,447,120,735.14/248,642.30 - Step 6: Final answer
x = 194,846.66
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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.