Finding the Fourth Proportional to 201,121.20, 301,660.20 and 53,377.20
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Solution
The fourth proportional to 201,121.20, 301,660.20 and 53,377.20 is: 80,060.07
Step by Step Solution
- Step 1: Write the proportion equation
201,121.20 : 301,660.20 = 53,377.20 : x - Step 2: Convert to fraction form
201,121.20/301,660.20 = 53,377.20/x - Step 3: Cross multiply
201,121.20x = 301,660.20 × 53,377.20 - Step 4: Simplify right side
201,121.20x = 16,101,776,827.44 - Step 5: Solve for x
x = 16,101,776,827.44/201,121.20 - Step 6: Final answer
x = 80,060.07
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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.