Finding the Fourth Proportional to 203,173.36, 280,381.29 and 122,585.29
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Solution
The fourth proportional to 203,173.36, 280,381.29 and 122,585.29 is: 169,168.94
Step by Step Solution
- Step 1: Write the proportion equation
203,173.36 : 280,381.29 = 122,585.29 : x - Step 2: Convert to fraction form
203,173.36/280,381.29 = 122,585.29/x - Step 3: Cross multiply
203,173.36x = 280,381.29 × 122,585.29 - Step 4: Simplify right side
203,173.36x = 34,370,621,745.22 - Step 5: Solve for x
x = 34,370,621,745.22/203,173.36 - Step 6: Final answer
x = 169,168.94
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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.