Finding the Fourth Proportional to 211,844.88, 317,778.26 and 54,074.70
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Solution
The fourth proportional to 211,844.88, 317,778.26 and 54,074.70 is: 81,114.84
Step by Step Solution
- Step 1: Write the proportion equation
211,844.88 : 317,778.26 = 54,074.70 : x - Step 2: Convert to fraction form
211,844.88/317,778.26 = 54,074.70/x - Step 3: Cross multiply
211,844.88x = 317,778.26 × 54,074.70 - Step 4: Simplify right side
211,844.88x = 17,183,763,805.65 - Step 5: Solve for x
x = 17,183,763,805.65/211,844.88 - Step 6: Final answer
x = 81,114.84
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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.