Finding the Fourth Proportional to 209,850.21, 289,592.01 and 114,356.88
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Solution
The fourth proportional to 209,850.21, 289,592.01 and 114,356.88 is: 157,811.80
Step by Step Solution
- Step 1: Write the proportion equation
209,850.21 : 289,592.01 = 114,356.88 : x - Step 2: Convert to fraction form
209,850.21/289,592.01 = 114,356.88/x - Step 3: Cross multiply
209,850.21x = 289,592.01 × 114,356.88 - Step 4: Simplify right side
209,850.21x = 33,116,838,736.53 - Step 5: Solve for x
x = 33,116,838,736.53/209,850.21 - Step 6: Final answer
x = 157,811.80
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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.