Finding the Fourth Proportional to 411,232.20, 616,272.30 and 327,136.20
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Solution
The fourth proportional to 411,232.20, 616,272.30 and 327,136.20 is: 490,246.09
Step by Step Solution
- Step 1: Write the proportion equation
411,232.20 : 616,272.30 = 327,136.20 : x - Step 2: Convert to fraction form
411,232.20/616,272.30 = 327,136.20/x - Step 3: Cross multiply
411,232.20x = 616,272.30 × 327,136.20 - Step 4: Simplify right side
411,232.20x = 201,604,978,387.26 - Step 5: Solve for x
x = 201,604,978,387.26/411,232.20 - Step 6: Final answer
x = 490,246.09
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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.