Finding the Fourth Proportional to 491,458.44, 737,292.83 and 278,327.09
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Solution
The fourth proportional to 491,458.44, 737,292.83 and 278,327.09 is: 417,550.19
Step by Step Solution
- Step 1: Write the proportion equation
491,458.44 : 737,292.83 = 278,327.09 : x - Step 2: Convert to fraction form
491,458.44/737,292.83 = 278,327.09/x - Step 3: Cross multiply
491,458.44x = 737,292.83 × 278,327.09 - Step 4: Simplify right side
491,458.44x = 205,208,565,721.68 - Step 5: Solve for x
x = 205,208,565,721.68/491,458.44 - Step 6: Final answer
x = 417,550.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.