Finding the Fourth Proportional to 189,528.11, 284,290.99 and 47,372.68
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Solution
The fourth proportional to 189,528.11, 284,290.99 and 47,372.68 is: 71,058.73
Step by Step Solution
- Step 1: Write the proportion equation
189,528.11 : 284,290.99 = 47,372.68 : x - Step 2: Convert to fraction form
189,528.11/284,290.99 = 47,372.68/x - Step 3: Cross multiply
189,528.11x = 284,290.99 × 47,372.68 - Step 4: Simplify right side
189,528.11x = 13,467,626,096.15 - Step 5: Solve for x
x = 13,467,626,096.15/189,528.11 - Step 6: Final answer
x = 71,058.73
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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.