Finding the Fourth Proportional to 189,372.21, 284,057.98 and 110,431.08
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Solution
The fourth proportional to 189,372.21, 284,057.98 and 110,431.08 is: 165,646.42
Step by Step Solution
- Step 1: Write the proportion equation
189,372.21 : 284,057.98 = 110,431.08 : x - Step 2: Convert to fraction form
189,372.21/284,057.98 = 110,431.08/x - Step 3: Cross multiply
189,372.21x = 284,057.98 × 110,431.08 - Step 4: Simplify right side
189,372.21x = 31,368,829,514.02 - Step 5: Solve for x
x = 31,368,829,514.02/189,372.21 - Step 6: Final answer
x = 165,646.42
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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.