Finding the Fourth Proportional to 449,932.80, 674,974.80 and 134,421.60
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Solution
The fourth proportional to 449,932.80, 674,974.80 and 134,421.60 is: 201,654.99
Step by Step Solution
- Step 1: Write the proportion equation
449,932.80 : 674,974.80 = 134,421.60 : x - Step 2: Convert to fraction form
449,932.80/674,974.80 = 134,421.60/x - Step 3: Cross multiply
449,932.80x = 674,974.80 × 134,421.60 - Step 4: Simplify right side
449,932.80x = 90,731,192,575.68 - Step 5: Solve for x
x = 90,731,192,575.68/449,932.80 - Step 6: Final answer
x = 201,654.99
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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.