Finding the Fourth Proportional to 189,245.08, 283,861.50 and 76,892.12
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Solution
The fourth proportional to 189,245.08, 283,861.50 and 76,892.12 is: 115,335.69
Step by Step Solution
- Step 1: Write the proportion equation
189,245.08 : 283,861.50 = 76,892.12 : x - Step 2: Convert to fraction form
189,245.08/283,861.50 = 76,892.12/x - Step 3: Cross multiply
189,245.08x = 283,861.50 × 76,892.12 - Step 4: Simplify right side
189,245.08x = 21,826,712,521.38 - Step 5: Solve for x
x = 21,826,712,521.38/189,245.08 - Step 6: Final answer
x = 115,335.69
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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.