Finding the Fourth Proportional to 192,455.19, 288,608.99 and 66,071.91
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Solution
The fourth proportional to 192,455.19, 288,608.99 and 66,071.91 is: 99,082.53
Step by Step Solution
- Step 1: Write the proportion equation
192,455.19 : 288,608.99 = 66,071.91 : x - Step 2: Convert to fraction form
192,455.19/288,608.99 = 66,071.91/x - Step 3: Cross multiply
192,455.19x = 288,608.99 × 66,071.91 - Step 4: Simplify right side
192,455.19x = 19,068,946,882.11 - Step 5: Solve for x
x = 19,068,946,882.11/192,455.19 - Step 6: Final answer
x = 99,082.53
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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.