Finding the Fourth Proportional to 84,235.05, 126,243.27 and 34,256.97
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Solution
The fourth proportional to 84,235.05, 126,243.27 and 34,256.97 is: 51,341.00
Step by Step Solution
- Step 1: Write the proportion equation
84,235.05 : 126,243.27 = 34,256.97 : x - Step 2: Convert to fraction form
84,235.05/126,243.27 = 34,256.97/x - Step 3: Cross multiply
84,235.05x = 126,243.27 × 34,256.97 - Step 4: Simplify right side
84,235.05x = 4,324,711,913.09 - Step 5: Solve for x
x = 4,324,711,913.09/84,235.05 - Step 6: Final answer
x = 51,341.00
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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.