Finding the Fourth Proportional to 189,915.36, 284,672.16 and 71,535.48
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Solution
The fourth proportional to 189,915.36, 284,672.16 and 71,535.48 is: 107,227.55
Step by Step Solution
- Step 1: Write the proportion equation
189,915.36 : 284,672.16 = 71,535.48 : x - Step 2: Convert to fraction form
189,915.36/284,672.16 = 71,535.48/x - Step 3: Cross multiply
189,915.36x = 284,672.16 × 71,535.48 - Step 4: Simplify right side
189,915.36x = 20,364,159,608.24 - Step 5: Solve for x
x = 20,364,159,608.24/189,915.36 - Step 6: Final answer
x = 107,227.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.