Finding the Fourth Proportional to 427,465.98, 641,375.52 and 187,455.63
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Solution
The fourth proportional to 427,465.98, 641,375.52 and 187,455.63 is: 281,260.87
Step by Step Solution
- Step 1: Write the proportion equation
427,465.98 : 641,375.52 = 187,455.63 : x - Step 2: Convert to fraction form
427,465.98/641,375.52 = 187,455.63/x - Step 3: Cross multiply
427,465.98x = 641,375.52 × 187,455.63 - Step 4: Simplify right side
427,465.98x = 120,229,451,230.90 - Step 5: Solve for x
x = 120,229,451,230.90/427,465.98 - Step 6: Final answer
x = 281,260.87
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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.