Finding the Fourth Proportional to 215,134.80, 322,790.49 and 95,128.44
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Solution
The fourth proportional to 215,134.80, 322,790.49 and 95,128.44 is: 142,731.70
Step by Step Solution
- Step 1: Write the proportion equation
215,134.80 : 322,790.49 = 95,128.44 : x - Step 2: Convert to fraction form
215,134.80/322,790.49 = 95,128.44/x - Step 3: Cross multiply
215,134.80x = 322,790.49 × 95,128.44 - Step 4: Simplify right side
215,134.80x = 30,706,555,760.54 - Step 5: Solve for x
x = 30,706,555,760.54/215,134.80 - Step 6: Final answer
x = 142,731.70
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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.