Finding the Fourth Proportional to 201,123.41, 277,470.93 and 129,544.92
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Solution
The fourth proportional to 201,123.41, 277,470.93 and 129,544.92 is: 178,720.87
Step by Step Solution
- Step 1: Write the proportion equation
201,123.41 : 277,470.93 = 129,544.92 : x - Step 2: Convert to fraction form
201,123.41/277,470.93 = 129,544.92/x - Step 3: Cross multiply
201,123.41x = 277,470.93 × 129,544.92 - Step 4: Simplify right side
201,123.41x = 35,944,949,914.97 - Step 5: Solve for x
x = 35,944,949,914.97/201,123.41 - Step 6: Final answer
x = 178,720.87
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1.5x scale
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.