Finding the Fourth Proportional to 499,716.80, 689,615.52 and 273,366.08
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Solution
The fourth proportional to 499,716.80, 689,615.52 and 273,366.08 is: 377,248.66
Step by Step Solution
- Step 1: Write the proportion equation
499,716.80 : 689,615.52 = 273,366.08 : x - Step 2: Convert to fraction form
499,716.80/689,615.52 = 273,366.08/x - Step 3: Cross multiply
499,716.80x = 689,615.52 × 273,366.08 - Step 4: Simplify right side
499,716.80x = 188,517,491,409.56 - Step 5: Solve for x
x = 188,517,491,409.56/499,716.80 - Step 6: Final answer
x = 377,248.66
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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.