Finding the Fourth Proportional to 616,260.46, 850,361.26 and 361,518.70
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Solution
The fourth proportional to 616,260.46, 850,361.26 and 361,518.70 is: 498,849.95
Step by Step Solution
- Step 1: Write the proportion equation
616,260.46 : 850,361.26 = 361,518.70 : x - Step 2: Convert to fraction form
616,260.46/850,361.26 = 361,518.70/x - Step 3: Cross multiply
616,260.46x = 850,361.26 × 361,518.70 - Step 4: Simplify right side
616,260.46x = 307,421,497,245.56 - Step 5: Solve for x
x = 307,421,497,245.56/616,260.46 - Step 6: Final answer
x = 498,849.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.