Finding the Fourth Proportional to 144,489.35, 217,816.97 and 134,855.75
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Solution
The fourth proportional to 144,489.35, 217,816.97 and 134,855.75 is: 203,294.37
Step by Step Solution
- Step 1: Write the proportion equation
144,489.35 : 217,816.97 = 134,855.75 : x - Step 2: Convert to fraction form
144,489.35/217,816.97 = 134,855.75/x - Step 3: Cross multiply
144,489.35x = 217,816.97 × 134,855.75 - Step 4: Simplify right side
144,489.35x = 29,373,870,852.08 - Step 5: Solve for x
x = 29,373,870,852.08/144,489.35 - Step 6: Final answer
x = 203,294.37
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.