Finding the Fourth Proportional to 189,120.64, 283,659.84 and 48,891.52
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Solution
The fourth proportional to 189,120.64, 283,659.84 and 48,891.52 is: 73,331.82
Step by Step Solution
- Step 1: Write the proportion equation
189,120.64 : 283,659.84 = 48,891.52 : x - Step 2: Convert to fraction form
189,120.64/283,659.84 = 48,891.52/x - Step 3: Cross multiply
189,120.64x = 283,659.84 × 48,891.52 - Step 4: Simplify right side
189,120.64x = 13,868,560,740.56 - Step 5: Solve for x
x = 13,868,560,740.56/189,120.64 - Step 6: Final answer
x = 73,331.82
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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.