Finding the Fourth Proportional to 199,747.05, 299,621.69 and 66,626.94
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Solution
The fourth proportional to 199,747.05, 299,621.69 and 66,626.94 is: 99,940.78
Step by Step Solution
- Step 1: Write the proportion equation
199,747.05 : 299,621.69 = 66,626.94 : x - Step 2: Convert to fraction form
199,747.05/299,621.69 = 66,626.94/x - Step 3: Cross multiply
199,747.05x = 299,621.69 × 66,626.94 - Step 4: Simplify right side
199,747.05x = 19,962,876,362.33 - Step 5: Solve for x
x = 19,962,876,362.33/199,747.05 - Step 6: Final answer
x = 99,940.78
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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.