Finding the Fourth Proportional to 214,236.94, 321,391.86 and 73,962.76
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Solution
The fourth proportional to 214,236.94, 321,391.86 and 73,962.76 is: 110,956.72
Step by Step Solution
- Step 1: Write the proportion equation
214,236.94 : 321,391.86 = 73,962.76 : x - Step 2: Convert to fraction form
214,236.94/321,391.86 = 73,962.76/x - Step 3: Cross multiply
214,236.94x = 321,391.86 × 73,962.76 - Step 4: Simplify right side
214,236.94x = 23,771,029,007.13 - Step 5: Solve for x
x = 23,771,029,007.13/214,236.94 - Step 6: Final answer
x = 110,956.72
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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.