Finding the Fourth Proportional to 136,390.40, 204,614.40 and 41,612.80
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Solution
The fourth proportional to 136,390.40, 204,614.40 and 41,612.80 is: 62,427.99
Step by Step Solution
- Step 1: Write the proportion equation
136,390.40 : 204,614.40 = 41,612.80 : x - Step 2: Convert to fraction form
136,390.40/204,614.40 = 41,612.80/x - Step 3: Cross multiply
136,390.40x = 204,614.40 × 41,612.80 - Step 4: Simplify right side
136,390.40x = 8,514,578,104.32 - Step 5: Solve for x
x = 8,514,578,104.32/136,390.40 - Step 6: Final answer
x = 62,427.99
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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.