Finding the Fourth Proportional to 498,757.21, 748,241.02 and 161,771.69
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Solution
The fourth proportional to 498,757.21, 748,241.02 and 161,771.69 is: 242,691.66
Step by Step Solution
- Step 1: Write the proportion equation
498,757.21 : 748,241.02 = 161,771.69 : x - Step 2: Convert to fraction form
498,757.21/748,241.02 = 161,771.69/x - Step 3: Cross multiply
498,757.21x = 748,241.02 × 161,771.69 - Step 4: Simplify right side
498,757.21x = 121,044,216,405.54 - Step 5: Solve for x
x = 121,044,216,405.54/498,757.21 - Step 6: Final answer
x = 242,691.66
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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.