Finding the Fourth Proportional to 209,514.49, 289,136.05 and 114,027.23
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Solution
The fourth proportional to 209,514.49, 289,136.05 and 114,027.23 is: 157,360.88
Step by Step Solution
- Step 1: Write the proportion equation
209,514.49 : 289,136.05 = 114,027.23 : x - Step 2: Convert to fraction form
209,514.49/289,136.05 = 114,027.23/x - Step 3: Cross multiply
209,514.49x = 289,136.05 × 114,027.23 - Step 4: Simplify right side
209,514.49x = 32,969,383,312.41 - Step 5: Solve for x
x = 32,969,383,312.41/209,514.49 - Step 6: Final answer
x = 157,360.88
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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.