Finding the Fourth Proportional to 110,276.20, 165,414.30 and 40,157.80
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Solution
The fourth proportional to 110,276.20, 165,414.30 and 40,157.80 is: 60,236.70
Step by Step Solution
- Step 1: Write the proportion equation
110,276.20 : 165,414.30 = 40,157.80 : x - Step 2: Convert to fraction form
110,276.20/165,414.30 = 40,157.80/x - Step 3: Cross multiply
110,276.20x = 165,414.30 × 40,157.80 - Step 4: Simplify right side
110,276.20x = 6,642,674,376.54 - Step 5: Solve for x
x = 6,642,674,376.54/110,276.20 - Step 6: Final answer
x = 60,236.70
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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.