Finding the Fourth Proportional to 117,680.92, 176,521.08 and 51,112.48
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Solution
The fourth proportional to 117,680.92, 176,521.08 and 51,112.48 is: 76,668.59
Step by Step Solution
- Step 1: Write the proportion equation
117,680.92 : 176,521.08 = 51,112.48 : x - Step 2: Convert to fraction form
117,680.92/176,521.08 = 51,112.48/x - Step 3: Cross multiply
117,680.92x = 176,521.08 × 51,112.48 - Step 4: Simplify right side
117,680.92x = 9,022,430,171.08 - Step 5: Solve for x
x = 9,022,430,171.08/117,680.92 - Step 6: Final answer
x = 76,668.59
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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.