Finding the Fourth Proportional to 242,744.99, 335,131.61 and 215,812.98
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Solution
The fourth proportional to 242,744.99, 335,131.61 and 215,812.98 is: 297,949.51
Step by Step Solution
- Step 1: Write the proportion equation
242,744.99 : 335,131.61 = 215,812.98 : x - Step 2: Convert to fraction form
242,744.99/335,131.61 = 215,812.98/x - Step 3: Cross multiply
242,744.99x = 335,131.61 × 215,812.98 - Step 4: Simplify right side
242,744.99x = 72,325,751,446.30 - Step 5: Solve for x
x = 72,325,751,446.30/242,744.99 - Step 6: Final answer
x = 297,949.51
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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.