Finding the Fourth Proportional to 206,544.03, 285,029.99 and 115,899.79
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Solution
The fourth proportional to 206,544.03, 285,029.99 and 115,899.79 is: 159,941.27
Step by Step Solution
- Step 1: Write the proportion equation
206,544.03 : 285,029.99 = 115,899.79 : x - Step 2: Convert to fraction form
206,544.03/285,029.99 = 115,899.79/x - Step 3: Cross multiply
206,544.03x = 285,029.99 × 115,899.79 - Step 4: Simplify right side
206,544.03x = 33,034,914,860.04 - Step 5: Solve for x
x = 33,034,914,860.04/206,544.03 - Step 6: Final answer
x = 159,941.27
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1.5x scale
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.