Finding the Fourth Proportional to 202,046.37, 278,762.16 and 117,146.49
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Solution
The fourth proportional to 202,046.37, 278,762.16 and 117,146.49 is: 161,626.31
Step by Step Solution
- Step 1: Write the proportion equation
202,046.37 : 278,762.16 = 117,146.49 : x - Step 2: Convert to fraction form
202,046.37/278,762.16 = 117,146.49/x - Step 3: Cross multiply
202,046.37x = 278,762.16 × 117,146.49 - Step 4: Simplify right side
202,046.37x = 32,656,008,588.82 - Step 5: Solve for x
x = 32,656,008,588.82/202,046.37 - Step 6: Final answer
x = 161,626.31
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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.