Finding the Fourth Proportional to 286,619.26, 395,550.94 and 159,302.92
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Solution
The fourth proportional to 286,619.26, 395,550.94 and 159,302.92 is: 219,847.12
Step by Step Solution
- Step 1: Write the proportion equation
286,619.26 : 395,550.94 = 159,302.92 : x - Step 2: Convert to fraction form
286,619.26/395,550.94 = 159,302.92/x - Step 3: Cross multiply
286,619.26x = 395,550.94 × 159,302.92 - Step 4: Simplify right side
286,619.26x = 63,012,419,750.74 - Step 5: Solve for x
x = 63,012,419,750.74/286,619.26 - Step 6: Final answer
x = 219,847.12
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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.