Finding the Fourth Proportional to 187,576.12, 258,861.36 and 102,694.96
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Solution
The fourth proportional to 187,576.12, 258,861.36 and 102,694.96 is: 141,722.50
Step by Step Solution
- Step 1: Write the proportion equation
187,576.12 : 258,861.36 = 102,694.96 : x - Step 2: Convert to fraction form
187,576.12/258,861.36 = 102,694.96/x - Step 3: Cross multiply
187,576.12x = 258,861.36 × 102,694.96 - Step 4: Simplify right side
187,576.12x = 26,583,757,010.75 - Step 5: Solve for x
x = 26,583,757,010.75/187,576.12 - Step 6: Final answer
x = 141,722.50
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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.