Finding the Fourth Proportional to 284,917.68, 427,364.64 and 74,550.96
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Solution
The fourth proportional to 284,917.68, 427,364.64 and 74,550.96 is: 111,823.33
Step by Step Solution
- Step 1: Write the proportion equation
284,917.68 : 427,364.64 = 74,550.96 : x - Step 2: Convert to fraction form
284,917.68/427,364.64 = 74,550.96/x - Step 3: Cross multiply
284,917.68x = 427,364.64 × 74,550.96 - Step 4: Simplify right side
284,917.68x = 31,860,444,182.05 - Step 5: Solve for x
x = 31,860,444,182.05/284,917.68 - Step 6: Final answer
x = 111,823.33
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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.