Finding the Fourth Proportional to 402,950.60, 603,734.70 and 192,134.60
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Solution
The fourth proportional to 402,950.60, 603,734.70 and 192,134.60 is: 287,872.32
Step by Step Solution
- Step 1: Write the proportion equation
402,950.60 : 603,734.70 = 192,134.60 : x - Step 2: Convert to fraction form
402,950.60/603,734.70 = 192,134.60/x - Step 3: Cross multiply
402,950.60x = 603,734.70 × 192,134.60 - Step 4: Simplify right side
402,950.60x = 115,998,325,090.62 - Step 5: Solve for x
x = 115,998,325,090.62/402,950.60 - Step 6: Final answer
x = 287,872.32
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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.