Finding the Fourth Proportional to 216,293.58, 324,329.61 and 115,149.09
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Solution
The fourth proportional to 216,293.58, 324,329.61 and 115,149.09 is: 172,664.67
Step by Step Solution
- Step 1: Write the proportion equation
216,293.58 : 324,329.61 = 115,149.09 : x - Step 2: Convert to fraction form
216,293.58/324,329.61 = 115,149.09/x - Step 3: Cross multiply
216,293.58x = 324,329.61 × 115,149.09 - Step 4: Simplify right side
216,293.58x = 37,346,259,451.55 - Step 5: Solve for x
x = 37,346,259,451.55/216,293.58 - Step 6: Final answer
x = 172,664.67
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1.5x scale
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.