Finding the Fourth Proportional to 117,995.60, 177,082.50 and 80,466.68
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Solution
The fourth proportional to 117,995.60, 177,082.50 and 80,466.68 is: 120,760.78
Step by Step Solution
- Step 1: Write the proportion equation
117,995.60 : 177,082.50 = 80,466.68 : x - Step 2: Convert to fraction form
117,995.60/177,082.50 = 80,466.68/x - Step 3: Cross multiply
117,995.60x = 177,082.50 × 80,466.68 - Step 4: Simplify right side
117,995.60x = 14,249,240,861.10 - Step 5: Solve for x
x = 14,249,240,861.10/117,995.60 - Step 6: Final answer
x = 120,760.78
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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.