Finding the Fourth Proportional to 165,546.20, 248,319.30 and 130,116.80
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Solution
The fourth proportional to 165,546.20, 248,319.30 and 130,116.80 is: 195,175.20
Step by Step Solution
- Step 1: Write the proportion equation
165,546.20 : 248,319.30 = 130,116.80 : x - Step 2: Convert to fraction form
165,546.20/248,319.30 = 130,116.80/x - Step 3: Cross multiply
165,546.20x = 248,319.30 × 130,116.80 - Step 4: Simplify right side
165,546.20x = 32,310,512,694.24 - Step 5: Solve for x
x = 32,310,512,694.24/165,546.20 - Step 6: Final answer
x = 195,175.20
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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.