Finding the Fourth Proportional to 211,571.24, 317,364.42 and 71,331.08
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Solution
The fourth proportional to 211,571.24, 317,364.42 and 71,331.08 is: 106,999.17
Step by Step Solution
- Step 1: Write the proportion equation
211,571.24 : 317,364.42 = 71,331.08 : x - Step 2: Convert to fraction form
211,571.24/317,364.42 = 71,331.08/x - Step 3: Cross multiply
211,571.24x = 317,364.42 × 71,331.08 - Step 4: Simplify right side
211,571.24x = 22,637,946,832.17 - Step 5: Solve for x
x = 22,637,946,832.17/211,571.24 - Step 6: Final answer
x = 106,999.17
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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.