Finding the Fourth Proportional to 181,696.81, 250,749.85 and 101,129.49
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Solution
The fourth proportional to 181,696.81, 250,749.85 and 101,129.49 is: 139,563.29
Step by Step Solution
- Step 1: Write the proportion equation
181,696.81 : 250,749.85 = 101,129.49 : x - Step 2: Convert to fraction form
181,696.81/250,749.85 = 101,129.49/x - Step 3: Cross multiply
181,696.81x = 250,749.85 × 101,129.49 - Step 4: Simplify right side
181,696.81x = 25,358,204,448.08 - Step 5: Solve for x
x = 25,358,204,448.08/181,696.81 - Step 6: Final answer
x = 139,563.29
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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.