Finding the Fourth Proportional to 355,235.07, 490,231.47 and 194,100.09
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Solution
The fourth proportional to 355,235.07, 490,231.47 and 194,100.09 is: 267,861.99
Step by Step Solution
- Step 1: Write the proportion equation
355,235.07 : 490,231.47 = 194,100.09 : x - Step 2: Convert to fraction form
355,235.07/490,231.47 = 194,100.09/x - Step 3: Cross multiply
355,235.07x = 490,231.47 × 194,100.09 - Step 4: Simplify right side
355,235.07x = 95,153,972,447.83 - Step 5: Solve for x
x = 95,153,972,447.83/355,235.07 - Step 6: Final answer
x = 267,861.99
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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.