Finding the Fourth Proportional to 201,121.80, 301,682.70 and 201,121.80
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Solution
The fourth proportional to 201,121.80, 301,682.70 and 201,121.80 is: 301,682.70
Step by Step Solution
- Step 1: Write the proportion equation
201,121.80 : 301,682.70 = 201,121.80 : x - Step 2: Convert to fraction form
201,121.80/301,682.70 = 201,121.80/x - Step 3: Cross multiply
201,121.80x = 301,682.70 × 201,121.80 - Step 4: Simplify right side
201,121.80x = 60,674,967,652.86 - Step 5: Solve for x
x = 60,674,967,652.86/201,121.80 - Step 6: Final answer
x = 301,682.70
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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.