Finding the Fourth Proportional to 287,736.36, 397,067.62 and 158,674.82
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Solution
The fourth proportional to 287,736.36, 397,067.62 and 158,674.82 is: 218,966.54
Step by Step Solution
- Step 1: Write the proportion equation
287,736.36 : 397,067.62 = 158,674.82 : x - Step 2: Convert to fraction form
287,736.36/397,067.62 = 158,674.82/x - Step 3: Cross multiply
287,736.36x = 397,067.62 × 158,674.82 - Step 4: Simplify right side
287,736.36x = 63,004,634,397.08 - Step 5: Solve for x
x = 63,004,634,397.08/287,736.36 - Step 6: Final answer
x = 218,966.54
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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.