Finding the Fourth Proportional to 160,604.53, 221,626.79 and 88,006.99
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Solution
The fourth proportional to 160,604.53, 221,626.79 and 88,006.99 is: 121,445.55
Step by Step Solution
- Step 1: Write the proportion equation
160,604.53 : 221,626.79 = 88,006.99 : x - Step 2: Convert to fraction form
160,604.53/221,626.79 = 88,006.99/x - Step 3: Cross multiply
160,604.53x = 221,626.79 × 88,006.99 - Step 4: Simplify right side
160,604.53x = 19,504,706,251.23 - Step 5: Solve for x
x = 19,504,706,251.23/160,604.53 - Step 6: Final answer
x = 121,445.55
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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.