Finding the Fourth Proportional to 216,290.08, 324,324.36 and 115,145.60
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Solution
The fourth proportional to 216,290.08, 324,324.36 and 115,145.60 is: 172,659.44
Step by Step Solution
- Step 1: Write the proportion equation
216,290.08 : 324,324.36 = 115,145.60 : x - Step 2: Convert to fraction form
216,290.08/324,324.36 = 115,145.60/x - Step 3: Cross multiply
216,290.08x = 324,324.36 × 115,145.60 - Step 4: Simplify right side
216,290.08x = 37,344,523,026.82 - Step 5: Solve for x
x = 37,344,523,026.82/216,290.08 - Step 6: Final answer
x = 172,659.44
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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.