Finding the Fourth Proportional to 136,471.99, 204,679.75 and 36,608.44
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Solution
The fourth proportional to 136,471.99, 204,679.75 and 36,608.44 is: 54,905.09
Step by Step Solution
- Step 1: Write the proportion equation
136,471.99 : 204,679.75 = 36,608.44 : x - Step 2: Convert to fraction form
136,471.99/204,679.75 = 36,608.44/x - Step 3: Cross multiply
136,471.99x = 204,679.75 × 36,608.44 - Step 4: Simplify right side
136,471.99x = 7,493,006,347.09 - Step 5: Solve for x
x = 7,493,006,347.09/136,471.99 - Step 6: Final answer
x = 54,905.09
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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.