Finding the Fourth Proportional to 209,926.38, 289,687.41 and 119,269.74
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Solution
The fourth proportional to 209,926.38, 289,687.41 and 119,269.74 is: 164,585.99
Step by Step Solution
- Step 1: Write the proportion equation
209,926.38 : 289,687.41 = 119,269.74 : x - Step 2: Convert to fraction form
209,926.38/289,687.41 = 119,269.74/x - Step 3: Cross multiply
209,926.38x = 289,687.41 × 119,269.74 - Step 4: Simplify right side
209,926.38x = 34,550,942,071.97 - Step 5: Solve for x
x = 34,550,942,071.97/209,926.38 - Step 6: Final answer
x = 164,585.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.