Finding the Fourth Proportional to 206,119.23, 284,379.98 and 115,462.95
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Solution
The fourth proportional to 206,119.23, 284,379.98 and 115,462.95 is: 159,302.70
Step by Step Solution
- Step 1: Write the proportion equation
206,119.23 : 284,379.98 = 115,462.95 : x - Step 2: Convert to fraction form
206,119.23/284,379.98 = 115,462.95/x - Step 3: Cross multiply
206,119.23x = 284,379.98 × 115,462.95 - Step 4: Simplify right side
206,119.23x = 32,835,350,834.43 - Step 5: Solve for x
x = 32,835,350,834.43/206,119.23 - Step 6: Final answer
x = 159,302.70
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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.