Finding the Fourth Proportional to 206,998.20, 310,497.30 and 173,537.10
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Solution
The fourth proportional to 206,998.20, 310,497.30 and 173,537.10 is: 260,305.65
Step by Step Solution
- Step 1: Write the proportion equation
206,998.20 : 310,497.30 = 173,537.10 : x - Step 2: Convert to fraction form
206,998.20/310,497.30 = 173,537.10/x - Step 3: Cross multiply
206,998.20x = 310,497.30 × 173,537.10 - Step 4: Simplify right side
206,998.20x = 53,882,800,999.83 - Step 5: Solve for x
x = 53,882,800,999.83/206,998.20 - Step 6: Final answer
x = 260,305.65
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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.