Finding the Fourth Proportional to 496,739.60, 745,122.20 and 181,431.44
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Solution
The fourth proportional to 496,739.60, 745,122.20 and 181,431.44 is: 272,151.84
Step by Step Solution
- Step 1: Write the proportion equation
496,739.60 : 745,122.20 = 181,431.44 : x - Step 2: Convert to fraction form
496,739.60/745,122.20 = 181,431.44/x - Step 3: Cross multiply
496,739.60x = 745,122.20 × 181,431.44 - Step 4: Simplify right side
496,739.60x = 135,188,593,721.97 - Step 5: Solve for x
x = 135,188,593,721.97/496,739.60 - Step 6: Final answer
x = 272,151.84
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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.