Finding the Fourth Proportional to 214,657.87, 296,213.02 and 119,157.05
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Solution
The fourth proportional to 214,657.87, 296,213.02 and 119,157.05 is: 164,428.49
Step by Step Solution
- Step 1: Write the proportion equation
214,657.87 : 296,213.02 = 119,157.05 : x - Step 2: Convert to fraction form
214,657.87/296,213.02 = 119,157.05/x - Step 3: Cross multiply
214,657.87x = 296,213.02 × 119,157.05 - Step 4: Simplify right side
214,657.87x = 35,295,869,634.79 - Step 5: Solve for x
x = 35,295,869,634.79/214,657.87 - Step 6: Final answer
x = 164,428.49
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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.