Finding the Fourth Proportional to 227,142.10, 313,451.87 and 125,177.01
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Solution
The fourth proportional to 227,142.10, 313,451.87 and 125,177.01 is: 172,741.94
Step by Step Solution
- Step 1: Write the proportion equation
227,142.10 : 313,451.87 = 125,177.01 : x - Step 2: Convert to fraction form
227,142.10/313,451.87 = 125,177.01/x - Step 3: Cross multiply
227,142.10x = 313,451.87 × 125,177.01 - Step 4: Simplify right side
227,142.10x = 39,236,967,865.51 - Step 5: Solve for x
x = 39,236,967,865.51/227,142.10 - Step 6: Final answer
x = 172,741.94
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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.