Finding the Fourth Proportional to 332,579.12, 498,992.60 and 199,554.84
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Solution
The fourth proportional to 332,579.12, 498,992.60 and 199,554.84 is: 299,406.62
Step by Step Solution
- Step 1: Write the proportion equation
332,579.12 : 498,992.60 = 199,554.84 : x - Step 2: Convert to fraction form
332,579.12/498,992.60 = 199,554.84/x - Step 3: Cross multiply
332,579.12x = 498,992.60 × 199,554.84 - Step 4: Simplify right side
332,579.12x = 99,576,388,953.07 - Step 5: Solve for x
x = 99,576,388,953.07/332,579.12 - Step 6: Final answer
x = 299,406.62
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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.