Finding the Fourth Proportional to 718,586, 1,077,874.68 and 186,105.68
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Solution
The fourth proportional to 718,586, 1,077,874.68 and 186,105.68 is: 279,157.40
Step by Step Solution
- Step 1: Write the proportion equation
718,586 : 1,077,874.68 = 186,105.68 : x - Step 2: Convert to fraction form
718,586/1,077,874.68 = 186,105.68/x - Step 3: Cross multiply
718,586x = 1,077,874.68 × 186,105.68 - Step 4: Simplify right side
718,586x = 200,598,600,276.18 - Step 5: Solve for x
x = 200,598,600,276.18/718,586 - Step 6: Final answer
x = 279,157.40
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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.