Finding the Fourth Proportional to 289,212.67, 433,254.02 and 199,239.49
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Solution
The fourth proportional to 289,212.67, 433,254.02 and 199,239.49 is: 298,470.02
Step by Step Solution
- Step 1: Write the proportion equation
289,212.67 : 433,254.02 = 199,239.49 : x - Step 2: Convert to fraction form
289,212.67/433,254.02 = 199,239.49/x - Step 3: Cross multiply
289,212.67x = 433,254.02 × 199,239.49 - Step 4: Simplify right side
289,212.67x = 86,321,309,400.21 - Step 5: Solve for x
x = 86,321,309,400.21/289,212.67 - Step 6: Final answer
x = 298,470.02
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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.