Finding the Fourth Proportional to 332,779.80, 499,218.84 and 122,402.28
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Solution
The fourth proportional to 332,779.80, 499,218.84 and 122,402.28 is: 183,621.49
Step by Step Solution
- Step 1: Write the proportion equation
332,779.80 : 499,218.84 = 122,402.28 : x - Step 2: Convert to fraction form
332,779.80/499,218.84 = 122,402.28/x - Step 3: Cross multiply
332,779.80x = 499,218.84 × 122,402.28 - Step 4: Simplify right side
332,779.80x = 61,105,524,234.96 - Step 5: Solve for x
x = 61,105,524,234.96/332,779.80 - Step 6: Final answer
x = 183,621.49
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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.