Finding the Fourth Proportional to 115,034.09, 172,560.36 and 40,152.58
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Solution
The fourth proportional to 115,034.09, 172,560.36 and 40,152.58 is: 60,232.09
Step by Step Solution
- Step 1: Write the proportion equation
115,034.09 : 172,560.36 = 40,152.58 : x - Step 2: Convert to fraction form
115,034.09/172,560.36 = 40,152.58/x - Step 3: Cross multiply
115,034.09x = 172,560.36 × 40,152.58 - Step 4: Simplify right side
115,034.09x = 6,928,743,540.68 - Step 5: Solve for x
x = 6,928,743,540.68/115,034.09 - Step 6: Final answer
x = 60,232.09
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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.