Finding the Fourth Proportional to 407,653.93, 611,556.07 and 134,115.53
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Solution
The fourth proportional to 407,653.93, 611,556.07 and 134,115.53 is: 201,198.03
Step by Step Solution
- Step 1: Write the proportion equation
407,653.93 : 611,556.07 = 134,115.53 : x - Step 2: Convert to fraction form
407,653.93/611,556.07 = 134,115.53/x - Step 3: Cross multiply
407,653.93x = 611,556.07 × 134,115.53 - Step 4: Simplify right side
407,653.93x = 82,019,166,452.77 - Step 5: Solve for x
x = 82,019,166,452.77/407,653.93 - Step 6: Final answer
x = 201,198.03
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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.