Finding the Fourth Proportional to 98,154.35, 135,450.04 and 54,546.75
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Solution
The fourth proportional to 98,154.35, 135,450.04 and 54,546.75 is: 75,272.87
Step by Step Solution
- Step 1: Write the proportion equation
98,154.35 : 135,450.04 = 54,546.75 : x - Step 2: Convert to fraction form
98,154.35/135,450.04 = 54,546.75/x - Step 3: Cross multiply
98,154.35x = 135,450.04 × 54,546.75 - Step 4: Simplify right side
98,154.35x = 7,388,359,469.37 - Step 5: Solve for x
x = 7,388,359,469.37/98,154.35 - Step 6: Final answer
x = 75,272.87
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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.