Finding the Fourth Proportional to 201,400.67, 277,854.26 and 115,313.64
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Solution
The fourth proportional to 201,400.67, 277,854.26 and 115,313.64 is: 159,087.78
Step by Step Solution
- Step 1: Write the proportion equation
201,400.67 : 277,854.26 = 115,313.64 : x - Step 2: Convert to fraction form
201,400.67/277,854.26 = 115,313.64/x - Step 3: Cross multiply
201,400.67x = 277,854.26 × 115,313.64 - Step 4: Simplify right side
201,400.67x = 32,040,386,110.11 - Step 5: Solve for x
x = 32,040,386,110.11/201,400.67 - Step 6: Final answer
x = 159,087.78
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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.