Finding the Fourth Proportional to 821,717.98, 1,232,576.99 and 222,679.11
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Solution
The fourth proportional to 821,717.98, 1,232,576.99 and 222,679.11 is: 334,018.68
Step by Step Solution
- Step 1: Write the proportion equation
821,717.98 : 1,232,576.99 = 222,679.11 : x - Step 2: Convert to fraction form
821,717.98/1,232,576.99 = 222,679.11/x - Step 3: Cross multiply
821,717.98x = 1,232,576.99 × 222,679.11 - Step 4: Simplify right side
821,717.98x = 274,469,151,483.49 - Step 5: Solve for x
x = 274,469,151,483.49/821,717.98 - Step 6: Final answer
x = 334,018.68
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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.