Finding the Fourth Proportional to 201,404.79, 277,917.08 and 116,505.99
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Solution
The fourth proportional to 201,404.79, 277,917.08 and 116,505.99 is: 160,765.81
Step by Step Solution
- Step 1: Write the proportion equation
201,404.79 : 277,917.08 = 116,505.99 : x - Step 2: Convert to fraction form
201,404.79/277,917.08 = 116,505.99/x - Step 3: Cross multiply
201,404.79x = 277,917.08 × 116,505.99 - Step 4: Simplify right side
201,404.79x = 32,379,003,960.78 - Step 5: Solve for x
x = 32,379,003,960.78/201,404.79 - Step 6: Final answer
x = 160,765.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.