Finding the Fourth Proportional to 269,042.36, 371,245.96 and 154,315.08
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Solution
The fourth proportional to 269,042.36, 371,245.96 and 154,315.08 is: 212,936.17
Step by Step Solution
- Step 1: Write the proportion equation
269,042.36 : 371,245.96 = 154,315.08 : x - Step 2: Convert to fraction form
269,042.36/371,245.96 = 154,315.08/x - Step 3: Cross multiply
269,042.36x = 371,245.96 × 154,315.08 - Step 4: Simplify right side
269,042.36x = 57,288,850,017.08 - Step 5: Solve for x
x = 57,288,850,017.08/269,042.36 - Step 6: Final answer
x = 212,936.17
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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.