Finding the Fourth Proportional to 303,467.76, 418,982.76 and 271,581.84
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Solution
The fourth proportional to 303,467.76, 418,982.76 and 271,581.84 is: 374,959.46
Step by Step Solution
- Step 1: Write the proportion equation
303,467.76 : 418,982.76 = 271,581.84 : x - Step 2: Convert to fraction form
303,467.76/418,982.76 = 271,581.84/x - Step 3: Cross multiply
303,467.76x = 418,982.76 × 271,581.84 - Step 4: Simplify right side
303,467.76x = 113,788,108,889.08 - Step 5: Solve for x
x = 113,788,108,889.08/303,467.76 - Step 6: Final answer
x = 374,959.46
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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.