Finding the Fourth Proportional to 499,382.12, 689,150.22 and 273,027.62
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Solution
The fourth proportional to 499,382.12, 689,150.22 and 273,027.62 is: 376,779.70
Step by Step Solution
- Step 1: Write the proportion equation
499,382.12 : 689,150.22 = 273,027.62 : x - Step 2: Convert to fraction form
499,382.12/689,150.22 = 273,027.62/x - Step 3: Cross multiply
499,382.12x = 689,150.22 × 273,027.62 - Step 4: Simplify right side
499,382.12x = 188,157,044,389.08 - Step 5: Solve for x
x = 188,157,044,389.08/499,382.12 - Step 6: Final answer
x = 376,779.70
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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.