Finding the Fourth Proportional to 207,703.23, 312,205.24 and 137,079.75
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Solution
The fourth proportional to 207,703.23, 312,205.24 and 137,079.75 is: 206,048.88
Step by Step Solution
- Step 1: Write the proportion equation
207,703.23 : 312,205.24 = 137,079.75 : x - Step 2: Convert to fraction form
207,703.23/312,205.24 = 137,079.75/x - Step 3: Cross multiply
207,703.23x = 312,205.24 × 137,079.75 - Step 4: Simplify right side
207,703.23x = 42,797,017,590.01 - Step 5: Solve for x
x = 42,797,017,590.01/207,703.23 - Step 6: Final answer
x = 206,048.88
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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.