Finding the Fourth Proportional to 161,759.40, 242,668.36 and 55,137.48
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Solution
The fourth proportional to 161,759.40, 242,668.36 and 55,137.48 is: 82,716.19
Step by Step Solution
- Step 1: Write the proportion equation
161,759.40 : 242,668.36 = 55,137.48 : x - Step 2: Convert to fraction form
161,759.40/242,668.36 = 55,137.48/x - Step 3: Cross multiply
161,759.40x = 242,668.36 × 55,137.48 - Step 4: Simplify right side
161,759.40x = 13,380,121,846.13 - Step 5: Solve for x
x = 13,380,121,846.13/161,759.40 - Step 6: Final answer
x = 82,716.19
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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.