Finding the Fourth Proportional to 355,662.32, 490,795.84 and 194,486.08
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Solution
The fourth proportional to 355,662.32, 490,795.84 and 194,486.08 is: 268,380.86
Step by Step Solution
- Step 1: Write the proportion equation
355,662.32 : 490,795.84 = 194,486.08 : x - Step 2: Convert to fraction form
355,662.32/490,795.84 = 194,486.08/x - Step 3: Cross multiply
355,662.32x = 490,795.84 × 194,486.08 - Step 4: Simplify right side
355,662.32x = 95,452,959,001.91 - Step 5: Solve for x
x = 95,452,959,001.91/355,662.32 - Step 6: Final answer
x = 268,380.86
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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.