Finding the Fourth Proportional to 543,515.40, 815,590.62 and 227,945.88
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Solution
The fourth proportional to 543,515.40, 815,590.62 and 227,945.88 is: 342,051.99
Step by Step Solution
- Step 1: Write the proportion equation
543,515.40 : 815,590.62 = 227,945.88 : x - Step 2: Convert to fraction form
543,515.40/815,590.62 = 227,945.88/x - Step 3: Cross multiply
543,515.40x = 815,590.62 × 227,945.88 - Step 4: Simplify right side
543,515.40x = 185,910,521,595.65 - Step 5: Solve for x
x = 185,910,521,595.65/543,515.40 - Step 6: Final answer
x = 342,051.99
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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.