Finding the Fourth Proportional to 138,243.24, 207,481.54 and 95,523.84
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Solution
The fourth proportional to 138,243.24, 207,481.54 and 95,523.84 is: 143,366.38
Step by Step Solution
- Step 1: Write the proportion equation
138,243.24 : 207,481.54 = 95,523.84 : x - Step 2: Convert to fraction form
138,243.24/207,481.54 = 95,523.84/x - Step 3: Cross multiply
138,243.24x = 207,481.54 × 95,523.84 - Step 4: Simplify right side
138,243.24x = 19,819,433,429.91 - Step 5: Solve for x
x = 19,819,433,429.91/138,243.24 - Step 6: Final answer
x = 143,366.38
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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.