Finding the Fourth Proportional to 328,247.22, 490,971.12 and 201,576.18
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Solution
The fourth proportional to 328,247.22, 490,971.12 and 201,576.18 is: 301,504.71
Step by Step Solution
- Step 1: Write the proportion equation
328,247.22 : 490,971.12 = 201,576.18 : x - Step 2: Convert to fraction form
328,247.22/490,971.12 = 201,576.18/x - Step 3: Cross multiply
328,247.22x = 490,971.12 × 201,576.18 - Step 4: Simplify right side
328,247.22x = 98,968,082,859.92 - Step 5: Solve for x
x = 98,968,082,859.92/328,247.22 - Step 6: Final answer
x = 301,504.71
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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.