Finding the Fourth Proportional to 327,122.40, 490,683.60 and 201,151.20
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Solution
The fourth proportional to 327,122.40, 490,683.60 and 201,151.20 is: 301,726.80
Step by Step Solution
- Step 1: Write the proportion equation
327,122.40 : 490,683.60 = 201,151.20 : x - Step 2: Convert to fraction form
327,122.40/490,683.60 = 201,151.20/x - Step 3: Cross multiply
327,122.40x = 490,683.60 × 201,151.20 - Step 4: Simplify right side
327,122.40x = 98,701,594,960.32 - Step 5: Solve for x
x = 98,701,594,960.32/327,122.40 - Step 6: Final answer
x = 301,726.80
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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.