Finding the Fourth Proportional to 189,522.11, 284,151.49 and 71,161.67
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Solution
The fourth proportional to 189,522.11, 284,151.49 and 71,161.67 is: 106,693.07
Step by Step Solution
- Step 1: Write the proportion equation
189,522.11 : 284,151.49 = 71,161.67 : x - Step 2: Convert to fraction form
189,522.11/284,151.49 = 71,161.67/x - Step 3: Cross multiply
189,522.11x = 284,151.49 × 71,161.67 - Step 4: Simplify right side
189,522.11x = 20,220,695,494.15 - Step 5: Solve for x
x = 20,220,695,494.15/189,522.11 - Step 6: Final answer
x = 106,693.07
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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.