Finding the Fourth Proportional to 284,811.75, 427,311.23 and 116,473.68
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Solution
The fourth proportional to 284,811.75, 427,311.23 and 116,473.68 is: 174,748.80
Step by Step Solution
- Step 1: Write the proportion equation
284,811.75 : 427,311.23 = 116,473.68 : x - Step 2: Convert to fraction form
284,811.75/427,311.23 = 116,473.68/x - Step 3: Cross multiply
284,811.75x = 427,311.23 × 116,473.68 - Step 4: Simplify right side
284,811.75x = 49,770,510,881.06 - Step 5: Solve for x
x = 49,770,510,881.06/284,811.75 - Step 6: Final answer
x = 174,748.80
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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.