Finding the Fourth Proportional to 223,849.91, 335,891.51 and 99,161.75
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Solution
The fourth proportional to 223,849.91, 335,891.51 and 99,161.75 is: 148,794.30
Step by Step Solution
- Step 1: Write the proportion equation
223,849.91 : 335,891.51 = 99,161.75 : x - Step 2: Convert to fraction form
223,849.91/335,891.51 = 99,161.75/x - Step 3: Cross multiply
223,849.91x = 335,891.51 × 99,161.75 - Step 4: Simplify right side
223,849.91x = 33,307,589,941.74 - Step 5: Solve for x
x = 33,307,589,941.74/223,849.91 - Step 6: Final answer
x = 148,794.30
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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.