Finding the Fourth Proportional to 209,601.38, 289,322.81 and 124,716.62
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Solution
The fourth proportional to 209,601.38, 289,322.81 and 124,716.62 is: 172,152.31
Step by Step Solution
- Step 1: Write the proportion equation
209,601.38 : 289,322.81 = 124,716.62 : x - Step 2: Convert to fraction form
209,601.38/289,322.81 = 124,716.62/x - Step 3: Cross multiply
209,601.38x = 289,322.81 × 124,716.62 - Step 4: Simplify right side
209,601.38x = 36,083,360,881.91 - Step 5: Solve for x
x = 36,083,360,881.91/209,601.38 - Step 6: Final answer
x = 172,152.31
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1.5x scale
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.