Finding the Fourth Proportional to 289,201.61, 433,237.43 and 199,228.43
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Solution
The fourth proportional to 289,201.61, 433,237.43 and 199,228.43 is: 298,453.43
Step by Step Solution
- Step 1: Write the proportion equation
289,201.61 : 433,237.43 = 199,228.43 : x - Step 2: Convert to fraction form
289,201.61/433,237.43 = 199,228.43/x - Step 3: Cross multiply
289,201.61x = 433,237.43 × 199,228.43 - Step 4: Simplify right side
289,201.61x = 86,313,212,996.13 - Step 5: Solve for x
x = 86,313,212,996.13/289,201.61 - Step 6: Final answer
x = 298,453.43
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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.