Finding the Fourth Proportional to 154,458.36, 213,185.79 and 94,048.97
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Solution
The fourth proportional to 154,458.36, 213,185.79 and 94,048.97 is: 129,807.82
Step by Step Solution
- Step 1: Write the proportion equation
154,458.36 : 213,185.79 = 94,048.97 : x - Step 2: Convert to fraction form
154,458.36/213,185.79 = 94,048.97/x - Step 3: Cross multiply
154,458.36x = 213,185.79 × 94,048.97 - Step 4: Simplify right side
154,458.36x = 20,049,902,902.21 - Step 5: Solve for x
x = 20,049,902,902.21/154,458.36 - Step 6: Final answer
x = 129,807.82
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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.