Finding the Fourth Proportional to 310,324.58, 465,478.26 and 82,622.15
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Solution
The fourth proportional to 310,324.58, 465,478.26 and 82,622.15 is: 123,930.94
Step by Step Solution
- Step 1: Write the proportion equation
310,324.58 : 465,478.26 = 82,622.15 : x - Step 2: Convert to fraction form
310,324.58/465,478.26 = 82,622.15/x - Step 3: Cross multiply
310,324.58x = 465,478.26 × 82,622.15 - Step 4: Simplify right side
310,324.58x = 38,458,816,346.09 - Step 5: Solve for x
x = 38,458,816,346.09/310,324.58 - Step 6: Final answer
x = 123,930.94
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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.