Finding the Fourth Proportional to 201,988.59, 302,912.03 and 110,785.67
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Solution
The fourth proportional to 201,988.59, 302,912.03 and 110,785.67 is: 166,139.65
Step by Step Solution
- Step 1: Write the proportion equation
201,988.59 : 302,912.03 = 110,785.67 : x - Step 2: Convert to fraction form
201,988.59/302,912.03 = 110,785.67/x - Step 3: Cross multiply
201,988.59x = 302,912.03 × 110,785.67 - Step 4: Simplify right side
201,988.59x = 33,558,313,485.23 - Step 5: Solve for x
x = 33,558,313,485.23/201,988.59 - Step 6: Final answer
x = 166,139.65
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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.