Finding the Fourth Proportional to 260,906.88, 390,910.99 and 203,958.62
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Solution
The fourth proportional to 260,906.88, 390,910.99 and 203,958.62 is: 305,586.68
Step by Step Solution
- Step 1: Write the proportion equation
260,906.88 : 390,910.99 = 203,958.62 : x - Step 2: Convert to fraction form
260,906.88/390,910.99 = 203,958.62/x - Step 3: Cross multiply
260,906.88x = 390,910.99 × 203,958.62 - Step 4: Simplify right side
260,906.88x = 79,729,666,660.08 - Step 5: Solve for x
x = 79,729,666,660.08/260,906.88 - Step 6: Final answer
x = 305,586.68
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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.