Finding the Fourth Proportional to 189,241.99, 283,610.79 and 89,428.68
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Solution
The fourth proportional to 189,241.99, 283,610.79 and 89,428.68 is: 134,023.84
Step by Step Solution
- Step 1: Write the proportion equation
189,241.99 : 283,610.79 = 89,428.68 : x - Step 2: Convert to fraction form
189,241.99/283,610.79 = 89,428.68/x - Step 3: Cross multiply
189,241.99x = 283,610.79 × 89,428.68 - Step 4: Simplify right side
189,241.99x = 25,362,938,583.46 - Step 5: Solve for x
x = 25,362,938,583.46/189,241.99 - Step 6: Final answer
x = 134,023.84
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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.