Finding the Fourth Proportional to 187,529.70, 281,321.91 and 54,410.70
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Solution
The fourth proportional to 187,529.70, 281,321.91 and 54,410.70 is: 81,623.99
Step by Step Solution
- Step 1: Write the proportion equation
187,529.70 : 281,321.91 = 54,410.70 : x - Step 2: Convert to fraction form
187,529.70/281,321.91 = 54,410.70/x - Step 3: Cross multiply
187,529.70x = 281,321.91 × 54,410.70 - Step 4: Simplify right side
187,529.70x = 15,306,922,048.44 - Step 5: Solve for x
x = 15,306,922,048.44/187,529.70 - Step 6: Final answer
x = 81,623.99
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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.