Finding the Fourth Proportional to 209,195.91, 313,717.94 and 114,496.05
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Solution
The fourth proportional to 209,195.91, 313,717.94 and 114,496.05 is: 171,702.52
Step by Step Solution
- Step 1: Write the proportion equation
209,195.91 : 313,717.94 = 114,496.05 : x - Step 2: Convert to fraction form
209,195.91/313,717.94 = 114,496.05/x - Step 3: Cross multiply
209,195.91x = 313,717.94 × 114,496.05 - Step 4: Simplify right side
209,195.91x = 35,919,464,371.66 - Step 5: Solve for x
x = 35,919,464,371.66/209,195.91 - Step 6: Final answer
x = 171,702.52
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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.