Finding the Fourth Proportional to 383,879.70, 574,281.63 and 331,849.62
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Solution
The fourth proportional to 383,879.70, 574,281.63 and 331,849.62 is: 496,444.96
Step by Step Solution
- Step 1: Write the proportion equation
383,879.70 : 574,281.63 = 331,849.62 : x - Step 2: Convert to fraction form
383,879.70/574,281.63 = 331,849.62/x - Step 3: Cross multiply
383,879.70x = 574,281.63 × 331,849.62 - Step 4: Simplify right side
383,879.70x = 190,575,140,688.48 - Step 5: Solve for x
x = 190,575,140,688.48/383,879.70 - Step 6: Final answer
x = 496,444.96
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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.