Finding the Fourth Proportional to 248,243.70, 342,576.28 and 135,067.26
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Solution
The fourth proportional to 248,243.70, 342,576.28 and 135,067.26 is: 186,392.80
Step by Step Solution
- Step 1: Write the proportion equation
248,243.70 : 342,576.28 = 135,067.26 : x - Step 2: Convert to fraction form
248,243.70/342,576.28 = 135,067.26/x - Step 3: Cross multiply
248,243.70x = 342,576.28 × 135,067.26 - Step 4: Simplify right side
248,243.70x = 46,270,839,480.59 - Step 5: Solve for x
x = 46,270,839,480.59/248,243.70 - Step 6: Final answer
x = 186,392.80
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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.