Finding the Fourth Proportional to 479,213.44, 718,550.40 and 159,194
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Solution
The fourth proportional to 479,213.44, 718,550.40 and 159,194 is: 238,701.39
Step by Step Solution
- Step 1: Write the proportion equation
479,213.44 : 718,550.40 = 159,194 : x - Step 2: Convert to fraction form
479,213.44/718,550.40 = 159,194/x - Step 3: Cross multiply
479,213.44x = 718,550.40 × 159,194 - Step 4: Simplify right side
479,213.44x = 114,388,912,377.60 - Step 5: Solve for x
x = 114,388,912,377.60/479,213.44 - Step 6: Final answer
x = 238,701.39
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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.