Finding the Fourth Proportional to 209,442.84, 311,795.26 and 208,197.26
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Solution
The fourth proportional to 209,442.84, 311,795.26 and 208,197.26 is: 309,940.98
Step by Step Solution
- Step 1: Write the proportion equation
209,442.84 : 311,795.26 = 208,197.26 : x - Step 2: Convert to fraction form
209,442.84/311,795.26 = 208,197.26/x - Step 3: Cross multiply
209,442.84x = 311,795.26 × 208,197.26 - Step 4: Simplify right side
209,442.84x = 64,914,918,812.99 - Step 5: Solve for x
x = 64,914,918,812.99/209,442.84 - Step 6: Final answer
x = 309,940.98
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.