Finding the Fourth Proportional to 227,396.16, 313,802.91 and 125,431.54
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Solution
The fourth proportional to 227,396.16, 313,802.91 and 125,431.54 is: 173,093.43
Step by Step Solution
- Step 1: Write the proportion equation
227,396.16 : 313,802.91 = 125,431.54 : x - Step 2: Convert to fraction form
227,396.16/313,802.91 = 125,431.54/x - Step 3: Cross multiply
227,396.16x = 313,802.91 × 125,431.54 - Step 4: Simplify right side
227,396.16x = 39,360,781,473.27 - Step 5: Solve for x
x = 39,360,781,473.27/227,396.16 - Step 6: Final answer
x = 173,093.43
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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.