Finding the Fourth Proportional to 227,273.97, 313,640.20 and 125,303.05
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Solution
The fourth proportional to 227,273.97, 313,640.20 and 125,303.05 is: 172,919.37
Step by Step Solution
- Step 1: Write the proportion equation
227,273.97 : 313,640.20 = 125,303.05 : x - Step 2: Convert to fraction form
227,273.97/313,640.20 = 125,303.05/x - Step 3: Cross multiply
227,273.97x = 313,640.20 × 125,303.05 - Step 4: Simplify right side
227,273.97x = 39,300,071,467.89 - Step 5: Solve for x
x = 39,300,071,467.89/227,273.97 - Step 6: Final answer
x = 172,919.37
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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.