Finding the Fourth Proportional to 188,612.20, 282,633.18 and 126,170.92
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Solution
The fourth proportional to 188,612.20, 282,633.18 and 126,170.92 is: 189,065.65
Step by Step Solution
- Step 1: Write the proportion equation
188,612.20 : 282,633.18 = 126,170.92 : x - Step 2: Convert to fraction form
188,612.20/282,633.18 = 126,170.92/x - Step 3: Cross multiply
188,612.20x = 282,633.18 × 126,170.92 - Step 4: Simplify right side
188,612.20x = 35,660,088,343.13 - Step 5: Solve for x
x = 35,660,088,343.13/188,612.20 - Step 6: Final answer
x = 189,065.65
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1.5x scale
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.