Finding the Fourth Proportional to 177,431.21, 244,855.51 and 96,858.79
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Solution
The fourth proportional to 177,431.21, 244,855.51 and 96,858.79 is: 133,665.37
Step by Step Solution
- Step 1: Write the proportion equation
177,431.21 : 244,855.51 = 96,858.79 : x - Step 2: Convert to fraction form
177,431.21/244,855.51 = 96,858.79/x - Step 3: Cross multiply
177,431.21x = 244,855.51 × 96,858.79 - Step 4: Simplify right side
177,431.21x = 23,716,407,569.15 - Step 5: Solve for x
x = 23,716,407,569.15/177,431.21 - Step 6: Final answer
x = 133,665.37
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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.