Finding the Fourth Proportional to 355,824.94, 491,050.67 and 194,679.99
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Solution
The fourth proportional to 355,824.94, 491,050.67 and 194,679.99 is: 268,665.09
Step by Step Solution
- Step 1: Write the proportion equation
355,824.94 : 491,050.67 = 194,679.99 : x - Step 2: Convert to fraction form
355,824.94/491,050.67 = 194,679.99/x - Step 3: Cross multiply
355,824.94x = 491,050.67 × 194,679.99 - Step 4: Simplify right side
355,824.94x = 95,597,739,525.09 - Step 5: Solve for x
x = 95,597,739,525.09/355,824.94 - Step 6: Final answer
x = 268,665.09
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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.