Finding the Fourth Proportional to 204,378.92, 306,630.80 and 104,609.80
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Solution
The fourth proportional to 204,378.92, 306,630.80 and 104,609.80 is: 156,946.65
Step by Step Solution
- Step 1: Write the proportion equation
204,378.92 : 306,630.80 = 104,609.80 : x - Step 2: Convert to fraction form
204,378.92/306,630.80 = 104,609.80/x - Step 3: Cross multiply
204,378.92x = 306,630.80 × 104,609.80 - Step 4: Simplify right side
204,378.92x = 32,076,586,661.84 - Step 5: Solve for x
x = 32,076,586,661.84/204,378.92 - Step 6: Final answer
x = 156,946.65
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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.