Finding the Fourth Proportional to 135,380.88, 203,102.47 and 45,435.53
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Solution
The fourth proportional to 135,380.88, 203,102.47 and 45,435.53 is: 68,163.75
Step by Step Solution
- Step 1: Write the proportion equation
135,380.88 : 203,102.47 = 45,435.53 : x - Step 2: Convert to fraction form
135,380.88/203,102.47 = 45,435.53/x - Step 3: Cross multiply
135,380.88x = 203,102.47 × 45,435.53 - Step 4: Simplify right side
135,380.88x = 9,228,068,933.31 - Step 5: Solve for x
x = 9,228,068,933.31/135,380.88 - Step 6: Final answer
x = 68,163.75
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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.