Finding the Fourth Proportional to 192,921.26, 266,233.19 and 106,882.07
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Solution
The fourth proportional to 192,921.26, 266,233.19 and 106,882.07 is: 147,498.28
Step by Step Solution
- Step 1: Write the proportion equation
192,921.26 : 266,233.19 = 106,882.07 : x - Step 2: Convert to fraction form
192,921.26/266,233.19 = 106,882.07/x - Step 3: Cross multiply
192,921.26x = 266,233.19 × 106,882.07 - Step 4: Simplify right side
192,921.26x = 28,455,552,584.33 - Step 5: Solve for x
x = 28,455,552,584.33/192,921.26 - Step 6: Final answer
x = 147,498.28
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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.