Finding the Fourth Proportional to 192,136.05, 288,031.28 and 125,608.05
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Solution
The fourth proportional to 192,136.05, 288,031.28 and 125,608.05 is: 188,299.11
Step by Step Solution
- Step 1: Write the proportion equation
192,136.05 : 288,031.28 = 125,608.05 : x - Step 2: Convert to fraction form
192,136.05/288,031.28 = 125,608.05/x - Step 3: Cross multiply
192,136.05x = 288,031.28 × 125,608.05 - Step 4: Simplify right side
192,136.05x = 36,179,046,791.76 - Step 5: Solve for x
x = 36,179,046,791.76/192,136.05 - Step 6: Final answer
x = 188,299.11
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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.