Finding the Fourth Proportional to 206,225.24, 284,614.44 and 115,605.68
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Solution
The fourth proportional to 206,225.24, 284,614.44 and 115,605.68 is: 159,549.07
Step by Step Solution
- Step 1: Write the proportion equation
206,225.24 : 284,614.44 = 115,605.68 : x - Step 2: Convert to fraction form
206,225.24/284,614.44 = 115,605.68/x - Step 3: Cross multiply
206,225.24x = 284,614.44 × 115,605.68 - Step 4: Simplify right side
206,225.24x = 32,903,045,874.02 - Step 5: Solve for x
x = 32,903,045,874.02/206,225.24 - Step 6: Final answer
x = 159,549.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.