Finding the Fourth Proportional to 239,942.43, 360,135.05 and 121,696.81
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Solution
The fourth proportional to 239,942.43, 360,135.05 and 121,696.81 is: 182,657.50
Step by Step Solution
- Step 1: Write the proportion equation
239,942.43 : 360,135.05 = 121,696.81 : x - Step 2: Convert to fraction form
239,942.43/360,135.05 = 121,696.81/x - Step 3: Cross multiply
239,942.43x = 360,135.05 × 121,696.81 - Step 4: Simplify right side
239,942.43x = 43,827,285,245.37 - Step 5: Solve for x
x = 43,827,285,245.37/239,942.43 - Step 6: Final answer
x = 182,657.50
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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.