Finding the Fourth Proportional to 284,927.68, 427,379.64 and 74,560.96
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Solution
The fourth proportional to 284,927.68, 427,379.64 and 74,560.96 is: 111,838.33
Step by Step Solution
- Step 1: Write the proportion equation
284,927.68 : 427,379.64 = 74,560.96 : x - Step 2: Convert to fraction form
284,927.68/427,379.64 = 74,560.96/x - Step 3: Cross multiply
284,927.68x = 427,379.64 × 74,560.96 - Step 4: Simplify right side
284,927.68x = 31,865,836,242.85 - Step 5: Solve for x
x = 31,865,836,242.85/284,927.68 - Step 6: Final answer
x = 111,838.33
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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.