Finding the Fourth Proportional to 187,715.43, 281,574.09 and 47,474.19
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Solution
The fourth proportional to 187,715.43, 281,574.09 and 47,474.19 is: 71,211.52
Step by Step Solution
- Step 1: Write the proportion equation
187,715.43 : 281,574.09 = 47,474.19 : x - Step 2: Convert to fraction form
187,715.43/281,574.09 = 47,474.19/x - Step 3: Cross multiply
187,715.43x = 281,574.09 × 47,474.19 - Step 4: Simplify right side
187,715.43x = 13,367,501,847.74 - Step 5: Solve for x
x = 13,367,501,847.74/187,715.43 - Step 6: Final answer
x = 71,211.52
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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.