Finding the Fourth Proportional to 227,317.75, 313,698.52 and 126,715.75
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Solution
The fourth proportional to 227,317.75, 313,698.52 and 126,715.75 is: 174,867.75
Step by Step Solution
- Step 1: Write the proportion equation
227,317.75 : 313,698.52 = 126,715.75 : x - Step 2: Convert to fraction form
227,317.75/313,698.52 = 126,715.75/x - Step 3: Cross multiply
227,317.75x = 313,698.52 × 126,715.75 - Step 4: Simplify right side
227,317.75x = 39,750,542,602.11 - Step 5: Solve for x
x = 39,750,542,602.11/227,317.75 - Step 6: Final answer
x = 174,867.75
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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.