Finding the Fourth Proportional to 201,177.20, 301,676.70 and 68,021.30
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Solution
The fourth proportional to 201,177.20, 301,676.70 and 68,021.30 is: 102,001.82
Step by Step Solution
- Step 1: Write the proportion equation
201,177.20 : 301,676.70 = 68,021.30 : x - Step 2: Convert to fraction form
201,177.20/301,676.70 = 68,021.30/x - Step 3: Cross multiply
201,177.20x = 301,676.70 × 68,021.30 - Step 4: Simplify right side
201,177.20x = 20,520,441,313.71 - Step 5: Solve for x
x = 20,520,441,313.71/201,177.20 - Step 6: Final answer
x = 102,001.82
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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.