Finding the Fourth Proportional to 134,034.61, 199,582.79 and 129,245.08
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Solution
The fourth proportional to 134,034.61, 199,582.79 and 129,245.08 is: 192,450.99
Step by Step Solution
- Step 1: Write the proportion equation
134,034.61 : 199,582.79 = 129,245.08 : x - Step 2: Convert to fraction form
134,034.61/199,582.79 = 129,245.08/x - Step 3: Cross multiply
134,034.61x = 199,582.79 × 129,245.08 - Step 4: Simplify right side
134,034.61x = 25,795,093,660.17 - Step 5: Solve for x
x = 25,795,093,660.17/134,034.61 - Step 6: Final answer
x = 192,450.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.