Finding the Fourth Proportional to 239,136.62, 327,618.60 and 230,168.30
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Solution
The fourth proportional to 239,136.62, 327,618.60 and 230,168.30 is: 315,331.95
Step by Step Solution
- Step 1: Write the proportion equation
239,136.62 : 327,618.60 = 230,168.30 : x - Step 2: Convert to fraction form
239,136.62/327,618.60 = 230,168.30/x - Step 3: Cross multiply
239,136.62x = 327,618.60 × 230,168.30 - Step 4: Simplify right side
239,136.62x = 75,407,416,210.38 - Step 5: Solve for x
x = 75,407,416,210.38/239,136.62 - Step 6: Final answer
x = 315,331.95
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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.