Finding the Fourth Proportional to 355,076.73, 490,021.79 and 193,933.08
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Solution
The fourth proportional to 355,076.73, 490,021.79 and 193,933.08 is: 267,636.33
Step by Step Solution
- Step 1: Write the proportion equation
355,076.73 : 490,021.79 = 193,933.08 : x - Step 2: Convert to fraction form
355,076.73/490,021.79 = 193,933.08/x - Step 3: Cross multiply
355,076.73x = 490,021.79 × 193,933.08 - Step 4: Simplify right side
355,076.73x = 95,031,434,032.15 - Step 5: Solve for x
x = 95,031,434,032.15/355,076.73 - Step 6: Final answer
x = 267,636.33
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1.5x scale
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.