Finding the Fourth Proportional to 214,736.90, 322,104.99 and 54,812.80
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Solution
The fourth proportional to 214,736.90, 322,104.99 and 54,812.80 is: 82,219.12
Step by Step Solution
- Step 1: Write the proportion equation
214,736.90 : 322,104.99 = 54,812.80 : x - Step 2: Convert to fraction form
214,736.90/322,104.99 = 54,812.80/x - Step 3: Cross multiply
214,736.90x = 322,104.99 × 54,812.80 - Step 4: Simplify right side
214,736.90x = 17,655,477,755.81 - Step 5: Solve for x
x = 17,655,477,755.81/214,736.90 - Step 6: Final answer
x = 82,219.12
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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.