Finding the Fourth Proportional to 189,638.16, 284,361.99 and 63,233.65
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Solution
The fourth proportional to 189,638.16, 284,361.99 and 63,233.65 is: 94,818.71
Step by Step Solution
- Step 1: Write the proportion equation
189,638.16 : 284,361.99 = 63,233.65 : x - Step 2: Convert to fraction form
189,638.16/284,361.99 = 63,233.65/x - Step 3: Cross multiply
189,638.16x = 284,361.99 × 63,233.65 - Step 4: Simplify right side
189,638.16x = 17,981,246,548.96 - Step 5: Solve for x
x = 17,981,246,548.96/189,638.16 - Step 6: Final answer
x = 94,818.71
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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.