Finding the Fourth Proportional to 378,652.25, 568,009.64 and 272,530.13
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Solution
The fourth proportional to 378,652.25, 568,009.64 and 272,530.13 is: 408,817.69
Step by Step Solution
- Step 1: Write the proportion equation
378,652.25 : 568,009.64 = 272,530.13 : x - Step 2: Convert to fraction form
378,652.25/568,009.64 = 272,530.13/x - Step 3: Cross multiply
378,652.25x = 568,009.64 × 272,530.13 - Step 4: Simplify right side
378,652.25x = 154,799,738,871.73 - Step 5: Solve for x
x = 154,799,738,871.73/378,652.25 - Step 6: Final answer
x = 408,817.69
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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.