Finding the Fourth Proportional to 644,628.26, 966,942.40 and 201,396.26
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Solution
The fourth proportional to 644,628.26, 966,942.40 and 201,396.26 is: 302,094.39
Step by Step Solution
- Step 1: Write the proportion equation
644,628.26 : 966,942.40 = 201,396.26 : x - Step 2: Convert to fraction form
644,628.26/966,942.40 = 201,396.26/x - Step 3: Cross multiply
644,628.26x = 966,942.40 × 201,396.26 - Step 4: Simplify right side
644,628.26x = 194,738,582,995.42 - Step 5: Solve for x
x = 194,738,582,995.42/644,628.26 - Step 6: Final answer
x = 302,094.39
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.