Finding the Fourth Proportional to 272,729.83, 408,814.05 and 120,998.37
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Solution
The fourth proportional to 272,729.83, 408,814.05 and 120,998.37 is: 181,373.02
Step by Step Solution
- Step 1: Write the proportion equation
272,729.83 : 408,814.05 = 120,998.37 : x - Step 2: Convert to fraction form
272,729.83/408,814.05 = 120,998.37/x - Step 3: Cross multiply
272,729.83x = 408,814.05 × 120,998.37 - Step 4: Simplify right side
272,729.83x = 49,465,833,436.76 - Step 5: Solve for x
x = 49,465,833,436.76/272,729.83 - Step 6: Final answer
x = 181,373.02
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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.