Finding the Fourth Proportional to 226,930.71, 313,161.81 and 124,954.05
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Solution
The fourth proportional to 226,930.71, 313,161.81 and 124,954.05 is: 172,435.17
Step by Step Solution
- Step 1: Write the proportion equation
226,930.71 : 313,161.81 = 124,954.05 : x - Step 2: Convert to fraction form
226,930.71/313,161.81 = 124,954.05/x - Step 3: Cross multiply
226,930.71x = 313,161.81 × 124,954.05 - Step 4: Simplify right side
226,930.71x = 39,130,836,464.83 - Step 5: Solve for x
x = 39,130,836,464.83/226,930.71 - Step 6: Final answer
x = 172,435.17
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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.