Finding the Fourth Proportional to 214,872.08, 322,259.52 and 81,704.84
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Solution
The fourth proportional to 214,872.08, 322,259.52 and 81,704.84 is: 122,538.78
Step by Step Solution
- Step 1: Write the proportion equation
214,872.08 : 322,259.52 = 81,704.84 : x - Step 2: Convert to fraction form
214,872.08/322,259.52 = 81,704.84/x - Step 3: Cross multiply
214,872.08x = 322,259.52 × 81,704.84 - Step 4: Simplify right side
214,872.08x = 26,330,162,520.08 - Step 5: Solve for x
x = 26,330,162,520.08/214,872.08 - Step 6: Final answer
x = 122,538.78
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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.