Finding the Fourth Proportional to 227,215.49, 313,543.22 and 125,241.75
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Solution
The fourth proportional to 227,215.49, 313,543.22 and 125,241.75 is: 172,825.81
Step by Step Solution
- Step 1: Write the proportion equation
227,215.49 : 313,543.22 = 125,241.75 : x - Step 2: Convert to fraction form
227,215.49/313,543.22 = 125,241.75/x - Step 3: Cross multiply
227,215.49x = 313,543.22 × 125,241.75 - Step 4: Simplify right side
227,215.49x = 39,268,700,947.23 - Step 5: Solve for x
x = 39,268,700,947.23/227,215.49 - Step 6: Final answer
x = 172,825.81
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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.