Finding the Fourth Proportional to 347,778.29, 479,114.70 and 326,852.80
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Solution
The fourth proportional to 347,778.29, 479,114.70 and 326,852.80 is: 450,286.82
Step by Step Solution
- Step 1: Write the proportion equation
347,778.29 : 479,114.70 = 326,852.80 : x - Step 2: Convert to fraction form
347,778.29/479,114.70 = 326,852.80/x - Step 3: Cross multiply
347,778.29x = 479,114.70 × 326,852.80 - Step 4: Simplify right side
347,778.29x = 156,599,981,487.70 - Step 5: Solve for x
x = 156,599,981,487.70/347,778.29 - Step 6: Final answer
x = 450,286.82
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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.