Finding the Fourth Proportional to 206,295.37, 309,445.79 and 66,053.99
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Solution
The fourth proportional to 206,295.37, 309,445.79 and 66,053.99 is: 99,081.86
Step by Step Solution
- Step 1: Write the proportion equation
206,295.37 : 309,445.79 = 66,053.99 : x - Step 2: Convert to fraction form
206,295.37/309,445.79 = 66,053.99/x - Step 3: Cross multiply
206,295.37x = 309,445.79 × 66,053.99 - Step 4: Simplify right side
206,295.37x = 20,440,129,561.55 - Step 5: Solve for x
x = 20,440,129,561.55/206,295.37 - Step 6: Final answer
x = 99,081.86
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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.