Finding the Fourth Proportional to 134,235.80, 201,353.70 and 120,872.60
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Solution
The fourth proportional to 134,235.80, 201,353.70 and 120,872.60 is: 181,308.90
Step by Step Solution
- Step 1: Write the proportion equation
134,235.80 : 201,353.70 = 120,872.60 : x - Step 2: Convert to fraction form
134,235.80/201,353.70 = 120,872.60/x - Step 3: Cross multiply
134,235.80x = 201,353.70 × 120,872.60 - Step 4: Simplify right side
134,235.80x = 24,338,145,238.62 - Step 5: Solve for x
x = 24,338,145,238.62/134,235.80 - Step 6: Final answer
x = 181,308.90
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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.