Finding the Fourth Proportional to 118,136.44, 177,234.60 and 39,251.08
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Solution
The fourth proportional to 118,136.44, 177,234.60 and 39,251.08 is: 58,886.57
Step by Step Solution
- Step 1: Write the proportion equation
118,136.44 : 177,234.60 = 39,251.08 : x - Step 2: Convert to fraction form
118,136.44/177,234.60 = 39,251.08/x - Step 3: Cross multiply
118,136.44x = 177,234.60 × 39,251.08 - Step 4: Simplify right side
118,136.44x = 6,956,649,463.37 - Step 5: Solve for x
x = 6,956,649,463.37/118,136.44 - Step 6: Final answer
x = 58,886.57
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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.