Finding the Fourth Proportional to 282,383.44, 389,697.42 and 159,866.68
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Solution
The fourth proportional to 282,383.44, 389,697.42 and 159,866.68 is: 220,620.70
Step by Step Solution
- Step 1: Write the proportion equation
282,383.44 : 389,697.42 = 159,866.68 : x - Step 2: Convert to fraction form
282,383.44/389,697.42 = 159,866.68/x - Step 3: Cross multiply
282,383.44x = 389,697.42 × 159,866.68 - Step 4: Simplify right side
282,383.44x = 62,299,632,739.97 - Step 5: Solve for x
x = 62,299,632,739.97/282,383.44 - Step 6: Final answer
x = 220,620.70
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1.5x scale
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.