Finding the Fourth Proportional to 151,938.97, 227,908.63 and 39,619.09
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Solution
The fourth proportional to 151,938.97, 227,908.63 and 39,619.09 is: 59,428.68
Step by Step Solution
- Step 1: Write the proportion equation
151,938.97 : 227,908.63 = 39,619.09 : x - Step 2: Convert to fraction form
151,938.97/227,908.63 = 39,619.09/x - Step 3: Cross multiply
151,938.97x = 227,908.63 × 39,619.09 - Step 4: Simplify right side
151,938.97x = 9,029,532,523.75 - Step 5: Solve for x
x = 9,029,532,523.75/151,938.97 - Step 6: Final answer
x = 59,428.68
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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.