Finding the Fourth Proportional to 493,161.75, 680,556.49 and 275,373.79
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Solution
The fourth proportional to 493,161.75, 680,556.49 and 275,373.79 is: 380,012.07
Step by Step Solution
- Step 1: Write the proportion equation
493,161.75 : 680,556.49 = 275,373.79 : x - Step 2: Convert to fraction form
493,161.75/680,556.49 = 275,373.79/x - Step 3: Cross multiply
493,161.75x = 680,556.49 × 275,373.79 - Step 4: Simplify right side
493,161.75x = 187,407,416,557.62 - Step 5: Solve for x
x = 187,407,416,557.62/493,161.75 - Step 6: Final answer
x = 380,012.07
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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.