Finding the Fourth Proportional to 134,524.80, 201,787.20 and 75,475.80
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Solution
The fourth proportional to 134,524.80, 201,787.20 and 75,475.80 is: 113,213.70
Step by Step Solution
- Step 1: Write the proportion equation
134,524.80 : 201,787.20 = 75,475.80 : x - Step 2: Convert to fraction form
134,524.80/201,787.20 = 75,475.80/x - Step 3: Cross multiply
134,524.80x = 201,787.20 × 75,475.80 - Step 4: Simplify right side
134,524.80x = 15,230,050,349.76 - Step 5: Solve for x
x = 15,230,050,349.76/134,524.80 - Step 6: Final answer
x = 113,213.70
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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.