Finding the Fourth Proportional to 192,553.22, 288,971.58 and 91,351.46
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Solution
The fourth proportional to 192,553.22, 288,971.58 and 91,351.46 is: 137,094.44
Step by Step Solution
- Step 1: Write the proportion equation
192,553.22 : 288,971.58 = 91,351.46 : x - Step 2: Convert to fraction form
192,553.22/288,971.58 = 91,351.46/x - Step 3: Cross multiply
192,553.22x = 288,971.58 × 91,351.46 - Step 4: Simplify right side
192,553.22x = 26,397,975,731.51 - Step 5: Solve for x
x = 26,397,975,731.51/192,553.22 - Step 6: Final answer
x = 137,094.44
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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.