Finding the Fourth Proportional to 231,716.49, 347,580.80 and 73,944.79
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Solution
The fourth proportional to 231,716.49, 347,580.80 and 73,944.79 is: 110,919.12
Step by Step Solution
- Step 1: Write the proportion equation
231,716.49 : 347,580.80 = 73,944.79 : x - Step 2: Convert to fraction form
231,716.49/347,580.80 = 73,944.79/x - Step 3: Cross multiply
231,716.49x = 347,580.80 × 73,944.79 - Step 4: Simplify right side
231,716.49x = 25,701,789,264.03 - Step 5: Solve for x
x = 25,701,789,264.03/231,716.49 - Step 6: Final answer
x = 110,919.12
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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.