Finding the Fourth Proportional to 173,838.88, 239,889.36 and 106,757.92
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Solution
The fourth proportional to 173,838.88, 239,889.36 and 106,757.92 is: 147,320.84
Step by Step Solution
- Step 1: Write the proportion equation
173,838.88 : 239,889.36 = 106,757.92 : x - Step 2: Convert to fraction form
173,838.88/239,889.36 = 106,757.92/x - Step 3: Cross multiply
173,838.88x = 239,889.36 × 106,757.92 - Step 4: Simplify right side
173,838.88x = 25,610,089,103.73 - Step 5: Solve for x
x = 25,610,089,103.73/173,838.88 - Step 6: Final answer
x = 147,320.84
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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.