Finding the Fourth Proportional to 355,825.94, 491,052.05 and 194,680.99
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Solution
The fourth proportional to 355,825.94, 491,052.05 and 194,680.99 is: 268,666.47
Step by Step Solution
- Step 1: Write the proportion equation
355,825.94 : 491,052.05 = 194,680.99 : x - Step 2: Convert to fraction form
355,825.94/491,052.05 = 194,680.99/x - Step 3: Cross multiply
355,825.94x = 491,052.05 × 194,680.99 - Step 4: Simplify right side
355,825.94x = 95,598,499,235.53 - Step 5: Solve for x
x = 95,598,499,235.53/355,825.94 - Step 6: Final answer
x = 268,666.47
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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.