Finding the Fourth Proportional to 378,517.44, 567,688.68 and 112,213.74
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Solution
The fourth proportional to 378,517.44, 567,688.68 and 112,213.74 is: 168,294.68
Step by Step Solution
- Step 1: Write the proportion equation
378,517.44 : 567,688.68 = 112,213.74 : x - Step 2: Convert to fraction form
378,517.44/567,688.68 = 112,213.74/x - Step 3: Cross multiply
378,517.44x = 567,688.68 × 112,213.74 - Step 4: Simplify right side
378,517.44x = 63,702,469,938.46 - Step 5: Solve for x
x = 63,702,469,938.46/378,517.44 - Step 6: Final answer
x = 168,294.68
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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.