Finding the Fourth Proportional to 136,286.36, 204,415.16 and 36,456.63
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Solution
The fourth proportional to 136,286.36, 204,415.16 and 36,456.63 is: 54,681.10
Step by Step Solution
- Step 1: Write the proportion equation
136,286.36 : 204,415.16 = 36,456.63 : x - Step 2: Convert to fraction form
136,286.36/204,415.16 = 36,456.63/x - Step 3: Cross multiply
136,286.36x = 204,415.16 × 36,456.63 - Step 4: Simplify right side
136,286.36x = 7,452,287,672.23 - Step 5: Solve for x
x = 7,452,287,672.23/136,286.36 - Step 6: Final answer
x = 54,681.10
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.