Finding the Fourth Proportional to 206,137.23, 309,249.98 and 63,979.53
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Solution
The fourth proportional to 206,137.23, 309,249.98 and 63,979.53 is: 95,982.99
Step by Step Solution
- Step 1: Write the proportion equation
206,137.23 : 309,249.98 = 63,979.53 : x - Step 2: Convert to fraction form
206,137.23/309,249.98 = 63,979.53/x - Step 3: Cross multiply
206,137.23x = 309,249.98 × 63,979.53 - Step 4: Simplify right side
206,137.23x = 19,785,668,372.91 - Step 5: Solve for x
x = 19,785,668,372.91/206,137.23 - Step 6: Final answer
x = 95,982.99
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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.