Finding the Fourth Proportional to 207,493.42, 311,267.26 and 74,388.54
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Solution
The fourth proportional to 207,493.42, 311,267.26 and 74,388.54 is: 111,592.54
Step by Step Solution
- Step 1: Write the proportion equation
207,493.42 : 311,267.26 = 74,388.54 : x - Step 2: Convert to fraction form
207,493.42/311,267.26 = 74,388.54/x - Step 3: Cross multiply
207,493.42x = 311,267.26 × 74,388.54 - Step 4: Simplify right side
207,493.42x = 23,154,717,021.20 - Step 5: Solve for x
x = 23,154,717,021.20/207,493.42 - Step 6: Final answer
x = 111,592.54
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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.