Finding the Fourth Proportional to 300,640.88, 414,959.28 and 173,393.12
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Solution
The fourth proportional to 300,640.88, 414,959.28 and 173,393.12 is: 239,325.68
Step by Step Solution
- Step 1: Write the proportion equation
300,640.88 : 414,959.28 = 173,393.12 : x - Step 2: Convert to fraction form
300,640.88/414,959.28 = 173,393.12/x - Step 3: Cross multiply
300,640.88x = 414,959.28 × 173,393.12 - Step 4: Simplify right side
300,640.88x = 71,951,084,232.15 - Step 5: Solve for x
x = 71,951,084,232.15/300,640.88 - Step 6: Final answer
x = 239,325.68
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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.