Finding the Fourth Proportional to 189,516.44, 284,274.62 and 56,398.60
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Solution
The fourth proportional to 189,516.44, 284,274.62 and 56,398.60 is: 84,597.89
Step by Step Solution
- Step 1: Write the proportion equation
189,516.44 : 284,274.62 = 56,398.60 : x - Step 2: Convert to fraction form
189,516.44/284,274.62 = 56,398.60/x - Step 3: Cross multiply
189,516.44x = 284,274.62 × 56,398.60 - Step 4: Simplify right side
189,516.44x = 16,032,690,583.53 - Step 5: Solve for x
x = 16,032,690,583.53/189,516.44 - Step 6: Final answer
x = 84,597.89
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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.