Finding the Fourth Proportional to 209,627.57, 289,279.73 and 116,492.99
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Solution
The fourth proportional to 209,627.57, 289,279.73 and 116,492.99 is: 160,756.81
Step by Step Solution
- Step 1: Write the proportion equation
209,627.57 : 289,279.73 = 116,492.99 : x - Step 2: Convert to fraction form
209,627.57/289,279.73 = 116,492.99/x - Step 3: Cross multiply
209,627.57x = 289,279.73 × 116,492.99 - Step 4: Simplify right side
209,627.57x = 33,699,060,081.33 - Step 5: Solve for x
x = 33,699,060,081.33/209,627.57 - Step 6: Final answer
x = 160,756.81
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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.