Finding the Fourth Proportional to 355,515.99, 490,611.99 and 194,370.99
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Solution
The fourth proportional to 355,515.99, 490,611.99 and 194,370.99 is: 268,231.93
Step by Step Solution
- Step 1: Write the proportion equation
355,515.99 : 490,611.99 = 194,370.99 : x - Step 2: Convert to fraction form
355,515.99/490,611.99 = 194,370.99/x - Step 3: Cross multiply
355,515.99x = 490,611.99 × 194,370.99 - Step 4: Simplify right side
355,515.99x = 95,360,738,757.62 - Step 5: Solve for x
x = 95,360,738,757.62/355,515.99 - Step 6: Final answer
x = 268,231.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.