Finding the Fourth Proportional to 355,908.99, 491,154.44 and 194,764.03
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Solution
The fourth proportional to 355,908.99, 491,154.44 and 194,764.03 is: 268,774.38
Step by Step Solution
- Step 1: Write the proportion equation
355,908.99 : 491,154.44 = 194,764.03 : x - Step 2: Convert to fraction form
355,908.99/491,154.44 = 194,764.03/x - Step 3: Cross multiply
355,908.99x = 491,154.44 × 194,764.03 - Step 4: Simplify right side
355,908.99x = 95,659,218,086.79 - Step 5: Solve for x
x = 95,659,218,086.79/355,908.99 - Step 6: Final answer
x = 268,774.38
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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.