Finding the Fourth Proportional to 227,209.38, 313,550.19 and 131,772.66
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Solution
The fourth proportional to 227,209.38, 313,550.19 and 131,772.66 is: 181,846.99
Step by Step Solution
- Step 1: Write the proportion equation
227,209.38 : 313,550.19 = 131,772.66 : x - Step 2: Convert to fraction form
227,209.38/313,550.19 = 131,772.66/x - Step 3: Cross multiply
227,209.38x = 313,550.19 × 131,772.66 - Step 4: Simplify right side
227,209.38x = 41,317,342,579.81 - Step 5: Solve for x
x = 41,317,342,579.81/227,209.38 - Step 6: Final answer
x = 181,846.99
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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.