Finding the Fourth Proportional to 499,392.12, 689,164.02 and 273,037.62
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Solution
The fourth proportional to 499,392.12, 689,164.02 and 273,037.62 is: 376,793.50
Step by Step Solution
- Step 1: Write the proportion equation
499,392.12 : 689,164.02 = 273,037.62 : x - Step 2: Convert to fraction form
499,392.12/689,164.02 = 273,037.62/x - Step 3: Cross multiply
499,392.12x = 689,164.02 × 273,037.62 - Step 4: Simplify right side
499,392.12x = 188,167,703,810.43 - Step 5: Solve for x
x = 188,167,703,810.43/499,392.12 - Step 6: Final answer
x = 376,793.50
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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.