Finding the Fourth Proportional to 355,703.70, 490,882.80 and 194,558.75
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Solution
The fourth proportional to 355,703.70, 490,882.80 and 194,558.75 is: 268,497.46
Step by Step Solution
- Step 1: Write the proportion equation
355,703.70 : 490,882.80 = 194,558.75 : x - Step 2: Convert to fraction form
355,703.70/490,882.80 = 194,558.75/x - Step 3: Cross multiply
355,703.70x = 490,882.80 × 194,558.75 - Step 4: Simplify right side
355,703.70x = 95,505,542,706.19 - Step 5: Solve for x
x = 95,505,542,706.19/355,703.70 - Step 6: Final answer
x = 268,497.46
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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.