Finding the Fourth Proportional to 133,080.10, 199,620.15 and 122,193.70
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Solution
The fourth proportional to 133,080.10, 199,620.15 and 122,193.70 is: 183,290.55
Step by Step Solution
- Step 1: Write the proportion equation
133,080.10 : 199,620.15 = 122,193.70 : x - Step 2: Convert to fraction form
133,080.10/199,620.15 = 122,193.70/x - Step 3: Cross multiply
133,080.10x = 199,620.15 × 122,193.70 - Step 4: Simplify right side
133,080.10x = 24,392,324,723.06 - Step 5: Solve for x
x = 24,392,324,723.06/133,080.10 - Step 6: Final answer
x = 183,290.55
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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.