Finding the Fourth Proportional to 225,393.75, 311,053.10 and 124,791.75
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Solution
The fourth proportional to 225,393.75, 311,053.10 and 124,791.75 is: 172,218.00
Step by Step Solution
- Step 1: Write the proportion equation
225,393.75 : 311,053.10 = 124,791.75 : x - Step 2: Convert to fraction form
225,393.75/311,053.10 = 124,791.75/x - Step 3: Cross multiply
225,393.75x = 311,053.10 × 124,791.75 - Step 4: Simplify right side
225,393.75x = 38,816,860,067.97 - Step 5: Solve for x
x = 38,816,860,067.97/225,393.75 - Step 6: Final answer
x = 172,218.00
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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.