Finding the Fourth Proportional to 272,556.10, 408,907.05 and 193,824.10
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Solution
The fourth proportional to 272,556.10, 408,907.05 and 193,824.10 is: 290,787.99
Step by Step Solution
- Step 1: Write the proportion equation
272,556.10 : 408,907.05 = 193,824.10 : x - Step 2: Convert to fraction form
272,556.10/408,907.05 = 193,824.10/x - Step 3: Cross multiply
272,556.10x = 408,907.05 × 193,824.10 - Step 4: Simplify right side
272,556.10x = 79,256,040,949.91 - Step 5: Solve for x
x = 79,256,040,949.91/272,556.10 - Step 6: Final answer
x = 290,787.99
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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.