Finding the Fourth Proportional to 499,590.52, 689,451.36 and 273,236.02
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Solution
The fourth proportional to 499,590.52, 689,451.36 and 273,236.02 is: 377,074.70
Step by Step Solution
- Step 1: Write the proportion equation
499,590.52 : 689,451.36 = 273,236.02 : x - Step 2: Convert to fraction form
499,590.52/689,451.36 = 273,236.02/x - Step 3: Cross multiply
499,590.52x = 689,451.36 × 273,236.02 - Step 4: Simplify right side
499,590.52x = 188,382,945,589.99 - Step 5: Solve for x
x = 188,382,945,589.99/499,590.52 - Step 6: Final answer
x = 377,074.70
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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.