Finding the Fourth Proportional to 499,390.62, 689,161.95 and 273,036.12
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Solution
The fourth proportional to 499,390.62, 689,161.95 and 273,036.12 is: 376,791.43
Step by Step Solution
- Step 1: Write the proportion equation
499,390.62 : 689,161.95 = 273,036.12 : x - Step 2: Convert to fraction form
499,390.62/689,161.95 = 273,036.12/x - Step 3: Cross multiply
499,390.62x = 689,161.95 × 273,036.12 - Step 4: Simplify right side
499,390.62x = 188,166,104,879.63 - Step 5: Solve for x
x = 188,166,104,879.63/499,390.62 - Step 6: Final answer
x = 376,791.43
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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.