Finding the Fourth Proportional to 436,125.87, 654,123.20 and 279,449.19
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Solution
The fourth proportional to 436,125.87, 654,123.20 and 279,449.19 is: 419,131.75
Step by Step Solution
- Step 1: Write the proportion equation
436,125.87 : 654,123.20 = 279,449.19 : x - Step 2: Convert to fraction form
436,125.87/654,123.20 = 279,449.19/x - Step 3: Cross multiply
436,125.87x = 654,123.20 × 279,449.19 - Step 4: Simplify right side
436,125.87x = 182,794,197,002.96 - Step 5: Solve for x
x = 182,794,197,002.96/436,125.87 - Step 6: Final answer
x = 419,131.75
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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.