Finding the Fourth Proportional to 725,446.96, 1,088,169 and 192,968.62
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Solution
The fourth proportional to 725,446.96, 1,088,169 and 192,968.62 is: 289,452.55
Step by Step Solution
- Step 1: Write the proportion equation
725,446.96 : 1,088,169 = 192,968.62 : x - Step 2: Convert to fraction form
725,446.96/1,088,169 = 192,968.62/x - Step 3: Cross multiply
725,446.96x = 1,088,169 × 192,968.62 - Step 4: Simplify right side
725,446.96x = 209,982,470,256.78 - Step 5: Solve for x
x = 209,982,470,256.78/725,446.96 - Step 6: Final answer
x = 289,452.55
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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.