Finding the Fourth Proportional to 392,261.01, 588,391.52 and 274,163.01
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Solution
The fourth proportional to 392,261.01, 588,391.52 and 274,163.01 is: 411,244.52
Step by Step Solution
- Step 1: Write the proportion equation
392,261.01 : 588,391.52 = 274,163.01 : x - Step 2: Convert to fraction form
392,261.01/588,391.52 = 274,163.01/x - Step 3: Cross multiply
392,261.01x = 588,391.52 × 274,163.01 - Step 4: Simplify right side
392,261.01x = 161,315,190,181.68 - Step 5: Solve for x
x = 161,315,190,181.68/392,261.01 - Step 6: Final answer
x = 411,244.52
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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.