Finding the Fourth Proportional to 227,400.76, 313,814.28 and 125,429.80
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Solution
The fourth proportional to 227,400.76, 313,814.28 and 125,429.80 is: 173,093.80
Step by Step Solution
- Step 1: Write the proportion equation
227,400.76 : 313,814.28 = 125,429.80 : x - Step 2: Convert to fraction form
227,400.76/313,814.28 = 125,429.80/x - Step 3: Cross multiply
227,400.76x = 313,814.28 × 125,429.80 - Step 4: Simplify right side
227,400.76x = 39,361,662,377.54 - Step 5: Solve for x
x = 39,361,662,377.54/227,400.76 - Step 6: Final answer
x = 173,093.80
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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.