Finding the Fourth Proportional to 203,212.70, 304,819.05 and 84,883.10
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Solution
The fourth proportional to 203,212.70, 304,819.05 and 84,883.10 is: 127,324.65
Step by Step Solution
- Step 1: Write the proportion equation
203,212.70 : 304,819.05 = 84,883.10 : x - Step 2: Convert to fraction form
203,212.70/304,819.05 = 84,883.10/x - Step 3: Cross multiply
203,212.70x = 304,819.05 × 84,883.10 - Step 4: Simplify right side
203,212.70x = 25,873,985,903.06 - Step 5: Solve for x
x = 25,873,985,903.06/203,212.70 - Step 6: Final answer
x = 127,324.65
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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.