Finding the Fourth Proportional to 207,587.44, 286,361.52 and 131,078.92
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Solution
The fourth proportional to 207,587.44, 286,361.52 and 131,078.92 is: 180,819.99
Step by Step Solution
- Step 1: Write the proportion equation
207,587.44 : 286,361.52 = 131,078.92 : x - Step 2: Convert to fraction form
207,587.44/286,361.52 = 131,078.92/x - Step 3: Cross multiply
207,587.44x = 286,361.52 × 131,078.92 - Step 4: Simplify right side
207,587.44x = 37,535,958,771.16 - Step 5: Solve for x
x = 37,535,958,771.16/207,587.44 - Step 6: Final answer
x = 180,819.99
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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.