Finding the Fourth Proportional to 189,781.88, 284,576.20 and 63,376.68
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Solution
The fourth proportional to 189,781.88, 284,576.20 and 63,376.68 is: 95,032.75
Step by Step Solution
- Step 1: Write the proportion equation
189,781.88 : 284,576.20 = 63,376.68 : x - Step 2: Convert to fraction form
189,781.88/284,576.20 = 63,376.68/x - Step 3: Cross multiply
189,781.88x = 284,576.20 × 63,376.68 - Step 4: Simplify right side
189,781.88x = 18,035,494,763.02 - Step 5: Solve for x
x = 18,035,494,763.02/189,781.88 - Step 6: Final answer
x = 95,032.75
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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.