Finding the Fourth Proportional to 135,634.13, 203,462.26 and 68,131.44
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Solution
The fourth proportional to 135,634.13, 203,462.26 and 68,131.44 is: 102,202.72
Step by Step Solution
- Step 1: Write the proportion equation
135,634.13 : 203,462.26 = 68,131.44 : x - Step 2: Convert to fraction form
135,634.13/203,462.26 = 68,131.44/x - Step 3: Cross multiply
135,634.13x = 203,462.26 × 68,131.44 - Step 4: Simplify right side
135,634.13x = 13,862,176,589.13 - Step 5: Solve for x
x = 13,862,176,589.13/135,634.13 - Step 6: Final answer
x = 102,202.72
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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.