Finding the Fourth Proportional to 355,106.11, 490,043.52 and 193,961.26
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Solution
The fourth proportional to 355,106.11, 490,043.52 and 193,961.26 is: 267,664.95
Step by Step Solution
- Step 1: Write the proportion equation
355,106.11 : 490,043.52 = 193,961.26 : x - Step 2: Convert to fraction form
355,106.11/490,043.52 = 193,961.26/x - Step 3: Cross multiply
355,106.11x = 490,043.52 × 193,961.26 - Step 4: Simplify right side
355,106.11x = 95,049,458,594.04 - Step 5: Solve for x
x = 95,049,458,594.04/355,106.11 - Step 6: Final answer
x = 267,664.95
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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.