Finding the Fourth Proportional to 189,322.11, 283,934.57 and 56,170.87
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Solution
The fourth proportional to 189,322.11, 283,934.57 and 56,170.87 is: 84,241.88
Step by Step Solution
- Step 1: Write the proportion equation
189,322.11 : 283,934.57 = 56,170.87 : x - Step 2: Convert to fraction form
189,322.11/283,934.57 = 56,170.87/x - Step 3: Cross multiply
189,322.11x = 283,934.57 × 56,170.87 - Step 4: Simplify right side
189,322.11x = 15,948,850,829.29 - Step 5: Solve for x
x = 15,948,850,829.29/189,322.11 - Step 6: Final answer
x = 84,241.88
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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.