Finding the Fourth Proportional to 340,942.68, 511,471.38 and 104,229.96
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Solution
The fourth proportional to 340,942.68, 511,471.38 and 104,229.96 is: 156,362.48
Step by Step Solution
- Step 1: Write the proportion equation
340,942.68 : 511,471.38 = 104,229.96 : x - Step 2: Convert to fraction form
340,942.68/511,471.38 = 104,229.96/x - Step 3: Cross multiply
340,942.68x = 511,471.38 × 104,229.96 - Step 4: Simplify right side
340,942.68x = 53,310,641,478.54 - Step 5: Solve for x
x = 53,310,641,478.54/340,942.68 - Step 6: Final answer
x = 156,362.48
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1.5x scale
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.