Finding the Fourth Proportional to 211,533.75, 317,571.12 and 181,738.62
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Solution
The fourth proportional to 211,533.75, 317,571.12 and 181,738.62 is: 272,840.33
Step by Step Solution
- Step 1: Write the proportion equation
211,533.75 : 317,571.12 = 181,738.62 : x - Step 2: Convert to fraction form
211,533.75/317,571.12 = 181,738.62/x - Step 3: Cross multiply
211,533.75x = 317,571.12 × 181,738.62 - Step 4: Simplify right side
211,533.75x = 57,714,937,100.65 - Step 5: Solve for x
x = 57,714,937,100.65/211,533.75 - Step 6: Final answer
x = 272,840.33
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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.