Finding the Fourth Proportional to 227,259.81, 313,618.43 and 125,286.99
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Solution
The fourth proportional to 227,259.81, 313,618.43 and 125,286.99 is: 172,895.98
Step by Step Solution
- Step 1: Write the proportion equation
227,259.81 : 313,618.43 = 125,286.99 : x - Step 2: Convert to fraction form
227,259.81/313,618.43 = 125,286.99/x - Step 3: Cross multiply
227,259.81x = 313,618.43 × 125,286.99 - Step 4: Simplify right side
227,259.81x = 39,292,308,240.37 - Step 5: Solve for x
x = 39,292,308,240.37/227,259.81 - Step 6: Final answer
x = 172,895.98
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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.