Finding the Fourth Proportional to 355,286.65, 490,289.64 and 194,137.99
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Solution
The fourth proportional to 355,286.65, 490,289.64 and 194,137.99 is: 267,907.18
Step by Step Solution
- Step 1: Write the proportion equation
355,286.65 : 490,289.64 = 194,137.99 : x - Step 2: Convert to fraction form
355,286.65/490,289.64 = 194,137.99/x - Step 3: Cross multiply
355,286.65x = 490,289.64 × 194,137.99 - Step 4: Simplify right side
355,286.65x = 95,183,845,227.42 - Step 5: Solve for x
x = 95,183,845,227.42/355,286.65 - Step 6: Final answer
x = 267,907.18
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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.