Finding the Fourth Proportional to 133,069.60, 199,604.40 and 122,183.20
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Solution
The fourth proportional to 133,069.60, 199,604.40 and 122,183.20 is: 183,274.80
Step by Step Solution
- Step 1: Write the proportion equation
133,069.60 : 199,604.40 = 122,183.20 : x - Step 2: Convert to fraction form
133,069.60/199,604.40 = 122,183.20/x - Step 3: Cross multiply
133,069.60x = 199,604.40 × 122,183.20 - Step 4: Simplify right side
133,069.60x = 24,388,304,326.08 - Step 5: Solve for x
x = 24,388,304,326.08/133,069.60 - Step 6: Final answer
x = 183,274.80
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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.