Finding the Fourth Proportional to 282,169.62, 389,403.99 and 154,846.26
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Solution
The fourth proportional to 282,169.62, 389,403.99 and 154,846.26 is: 213,693.28
Step by Step Solution
- Step 1: Write the proportion equation
282,169.62 : 389,403.99 = 154,846.26 : x - Step 2: Convert to fraction form
282,169.62/389,403.99 = 154,846.26/x - Step 3: Cross multiply
282,169.62x = 389,403.99 × 154,846.26 - Step 4: Simplify right side
282,169.62x = 60,297,751,480.58 - Step 5: Solve for x
x = 60,297,751,480.58/282,169.62 - Step 6: Final answer
x = 213,693.28
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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.