Finding the Fourth Proportional to 118,463.56, 177,778.36 and 68,474.88
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Solution
The fourth proportional to 118,463.56, 177,778.36 and 68,474.88 is: 102,760.31
Step by Step Solution
- Step 1: Write the proportion equation
118,463.56 : 177,778.36 = 68,474.88 : x - Step 2: Convert to fraction form
118,463.56/177,778.36 = 68,474.88/x - Step 3: Cross multiply
118,463.56x = 177,778.36 × 68,474.88 - Step 4: Simplify right side
118,463.56x = 12,173,351,867.60 - Step 5: Solve for x
x = 12,173,351,867.60/118,463.56 - Step 6: Final answer
x = 102,760.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.