Finding the Fourth Proportional to 193,992.68, 267,688.14 and 109,107.92
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Solution
The fourth proportional to 193,992.68, 267,688.14 and 109,107.92 is: 150,556.69
Step by Step Solution
- Step 1: Write the proportion equation
193,992.68 : 267,688.14 = 109,107.92 : x - Step 2: Convert to fraction form
193,992.68/267,688.14 = 109,107.92/x - Step 3: Cross multiply
193,992.68x = 267,688.14 × 109,107.92 - Step 4: Simplify right side
193,992.68x = 29,206,896,164.07 - Step 5: Solve for x
x = 29,206,896,164.07/193,992.68 - Step 6: Final answer
x = 150,556.69
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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.