Finding the Fourth Proportional to 273,129.68, 409,821.24 and 115,394.96
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Solution
The fourth proportional to 273,129.68, 409,821.24 and 115,394.96 is: 173,145.98
Step by Step Solution
- Step 1: Write the proportion equation
273,129.68 : 409,821.24 = 115,394.96 : x - Step 2: Convert to fraction form
273,129.68/409,821.24 = 115,394.96/x - Step 3: Cross multiply
273,129.68x = 409,821.24 × 115,394.96 - Step 4: Simplify right side
273,129.68x = 47,291,305,596.95 - Step 5: Solve for x
x = 47,291,305,596.95/273,129.68 - Step 6: Final answer
x = 173,145.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.