Finding the Fourth Proportional to 239,993.55, 331,189.02 and 132,571.08
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Solution
The fourth proportional to 239,993.55, 331,189.02 and 132,571.08 is: 182,946.94
Step by Step Solution
- Step 1: Write the proportion equation
239,993.55 : 331,189.02 = 132,571.08 : x - Step 2: Convert to fraction form
239,993.55/331,189.02 = 132,571.08/x - Step 3: Cross multiply
239,993.55x = 331,189.02 × 132,571.08 - Step 4: Simplify right side
239,993.55x = 43,906,086,065.54 - Step 5: Solve for x
x = 43,906,086,065.54/239,993.55 - Step 6: Final answer
x = 182,946.94
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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.