Finding the Fourth Proportional to 189,372.33, 283,984.38 and 70,979.09
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Solution
The fourth proportional to 189,372.33, 283,984.38 and 70,979.09 is: 106,440.85
Step by Step Solution
- Step 1: Write the proportion equation
189,372.33 : 283,984.38 = 70,979.09 : x - Step 2: Convert to fraction form
189,372.33/283,984.38 = 70,979.09/x - Step 3: Cross multiply
189,372.33x = 283,984.38 × 70,979.09 - Step 4: Simplify right side
189,372.33x = 20,156,951,446.69 - Step 5: Solve for x
x = 20,156,951,446.69/189,372.33 - Step 6: Final answer
x = 106,440.85
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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.