Finding the Fourth Proportional to 225,174.21, 309,439.82 and 214,766.25
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Solution
The fourth proportional to 225,174.21, 309,439.82 and 214,766.25 is: 295,136.95
Step by Step Solution
- Step 1: Write the proportion equation
225,174.21 : 309,439.82 = 214,766.25 : x - Step 2: Convert to fraction form
225,174.21/309,439.82 = 214,766.25/x - Step 3: Cross multiply
225,174.21x = 309,439.82 × 214,766.25 - Step 4: Simplify right side
225,174.21x = 66,457,228,668.24 - Step 5: Solve for x
x = 66,457,228,668.24/225,174.21 - Step 6: Final answer
x = 295,136.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.