Finding the Fourth Proportional to 213,930.05, 295,201.06 and 123,267.96
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Solution
The fourth proportional to 213,930.05, 295,201.06 and 123,267.96 is: 170,096.88
Step by Step Solution
- Step 1: Write the proportion equation
213,930.05 : 295,201.06 = 123,267.96 : x - Step 2: Convert to fraction form
213,930.05/295,201.06 = 123,267.96/x - Step 3: Cross multiply
213,930.05x = 295,201.06 × 123,267.96 - Step 4: Simplify right side
213,930.05x = 36,388,832,147.87 - Step 5: Solve for x
x = 36,388,832,147.87/213,930.05 - Step 6: Final answer
x = 170,096.88
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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.