Finding the Fourth Proportional to 189,862.26, 284,809.73 and 49,620.75
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Solution
The fourth proportional to 189,862.26, 284,809.73 and 49,620.75 is: 74,435.39
Step by Step Solution
- Step 1: Write the proportion equation
189,862.26 : 284,809.73 = 49,620.75 : x - Step 2: Convert to fraction form
189,862.26/284,809.73 = 49,620.75/x - Step 3: Cross multiply
189,862.26x = 284,809.73 × 49,620.75 - Step 4: Simplify right side
189,862.26x = 14,132,472,161.79 - Step 5: Solve for x
x = 14,132,472,161.79/189,862.26 - Step 6: Final answer
x = 74,435.39
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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.