Finding the Fourth Proportional to 331,811.20, 497,716.80 and 110,195.20
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Solution
The fourth proportional to 331,811.20, 497,716.80 and 110,195.20 is: 165,292.80
Step by Step Solution
- Step 1: Write the proportion equation
331,811.20 : 497,716.80 = 110,195.20 : x - Step 2: Convert to fraction form
331,811.20/497,716.80 = 110,195.20/x - Step 3: Cross multiply
331,811.20x = 497,716.80 × 110,195.20 - Step 4: Simplify right side
331,811.20x = 54,846,002,319.36 - Step 5: Solve for x
x = 54,846,002,319.36/331,811.20 - Step 6: Final answer
x = 165,292.80
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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.