Finding the Fourth Proportional to 437,239.50, 655,859.25 and 121,704.62
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Solution
The fourth proportional to 437,239.50, 655,859.25 and 121,704.62 is: 182,556.92
Step by Step Solution
- Step 1: Write the proportion equation
437,239.50 : 655,859.25 = 121,704.62 : x - Step 2: Convert to fraction form
437,239.50/655,859.25 = 121,704.62/x - Step 3: Cross multiply
437,239.50x = 655,859.25 × 121,704.62 - Step 4: Simplify right side
437,239.50x = 79,821,097,515.44 - Step 5: Solve for x
x = 79,821,097,515.44/437,239.50 - Step 6: Final answer
x = 182,556.92
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Double scale
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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.