Finding the Fourth Proportional to 217,614.44, 300,230.93 and 142,206.68
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Solution
The fourth proportional to 217,614.44, 300,230.93 and 142,206.68 is: 196,194.90
Step by Step Solution
- Step 1: Write the proportion equation
217,614.44 : 300,230.93 = 142,206.68 : x - Step 2: Convert to fraction form
217,614.44/300,230.93 = 142,206.68/x - Step 3: Cross multiply
217,614.44x = 300,230.93 × 142,206.68 - Step 4: Simplify right side
217,614.44x = 42,694,843,077.58 - Step 5: Solve for x
x = 42,694,843,077.58/217,614.44 - Step 6: Final answer
x = 196,194.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.