Finding the Fourth Proportional to 328,664.19, 453,556.62 and 177,761.19
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Solution
The fourth proportional to 328,664.19, 453,556.62 and 177,761.19 is: 245,310.46
Step by Step Solution
- Step 1: Write the proportion equation
328,664.19 : 453,556.62 = 177,761.19 : x - Step 2: Convert to fraction form
328,664.19/453,556.62 = 177,761.19/x - Step 3: Cross multiply
328,664.19x = 453,556.62 × 177,761.19 - Step 4: Simplify right side
328,664.19x = 80,624,764,503.58 - Step 5: Solve for x
x = 80,624,764,503.58/328,664.19 - Step 6: Final answer
x = 245,310.46
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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.