Finding the Fourth Proportional to 422,114.22, 582,402.15 and 271,298.70
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Solution
The fourth proportional to 422,114.22, 582,402.15 and 271,298.70 is: 374,317.99
Step by Step Solution
- Step 1: Write the proportion equation
422,114.22 : 582,402.15 = 271,298.70 : x - Step 2: Convert to fraction form
422,114.22/582,402.15 = 271,298.70/x - Step 3: Cross multiply
422,114.22x = 582,402.15 × 271,298.70 - Step 4: Simplify right side
422,114.22x = 158,004,946,172.21 - Step 5: Solve for x
x = 158,004,946,172.21/422,114.22 - Step 6: Final answer
x = 374,317.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.