Finding the Fourth Proportional to 248,128.43, 372,229.55 and 115,022.14
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Solution
The fourth proportional to 248,128.43, 372,229.55 and 115,022.14 is: 172,550.32
Step by Step Solution
- Step 1: Write the proportion equation
248,128.43 : 372,229.55 = 115,022.14 : x - Step 2: Convert to fraction form
248,128.43/372,229.55 = 115,022.14/x - Step 3: Cross multiply
248,128.43x = 372,229.55 × 115,022.14 - Step 4: Simplify right side
248,128.43x = 42,814,639,412.24 - Step 5: Solve for x
x = 42,814,639,412.24/248,128.43 - Step 6: Final answer
x = 172,550.32
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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.