Finding the Fourth Proportional to 214,671.75, 322,007.63 and 66,927.75
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Solution
The fourth proportional to 214,671.75, 322,007.63 and 66,927.75 is: 100,391.63
Step by Step Solution
- Step 1: Write the proportion equation
214,671.75 : 322,007.63 = 66,927.75 : x - Step 2: Convert to fraction form
214,671.75/322,007.63 = 66,927.75/x - Step 3: Cross multiply
214,671.75x = 322,007.63 × 66,927.75 - Step 4: Simplify right side
214,671.75x = 21,551,245,824.09 - Step 5: Solve for x
x = 21,551,245,824.09/214,671.75 - Step 6: Final answer
x = 100,391.63
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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.