Finding the Fourth Proportional to 209,088.43, 313,585.37 and 96,706.99
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Solution
The fourth proportional to 209,088.43, 313,585.37 and 96,706.99 is: 145,038.61
Step by Step Solution
- Step 1: Write the proportion equation
209,088.43 : 313,585.37 = 96,706.99 : x - Step 2: Convert to fraction form
209,088.43/313,585.37 = 96,706.99/x - Step 3: Cross multiply
209,088.43x = 313,585.37 × 96,706.99 - Step 4: Simplify right side
209,088.43x = 30,325,895,189.27 - Step 5: Solve for x
x = 30,325,895,189.27/209,088.43 - Step 6: Final answer
x = 145,038.61
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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.