Finding the Fourth Proportional to 182,639.07, 273,515.74 and 126,321.12
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Solution
The fourth proportional to 182,639.07, 273,515.74 and 126,321.12 is: 189,175.37
Step by Step Solution
- Step 1: Write the proportion equation
182,639.07 : 273,515.74 = 126,321.12 : x - Step 2: Convert to fraction form
182,639.07/273,515.74 = 126,321.12/x - Step 3: Cross multiply
182,639.07x = 273,515.74 × 126,321.12 - Step 4: Simplify right side
182,639.07x = 34,550,814,298.63 - Step 5: Solve for x
x = 34,550,814,298.63/182,639.07 - Step 6: Final answer
x = 189,175.37
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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.