Finding the Fourth Proportional to 203,253.41, 304,756.99 and 90,912.69
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Solution
The fourth proportional to 203,253.41, 304,756.99 and 90,912.69 is: 136,313.96
Step by Step Solution
- Step 1: Write the proportion equation
203,253.41 : 304,756.99 = 90,912.69 : x - Step 2: Convert to fraction form
203,253.41/304,756.99 = 90,912.69/x - Step 3: Cross multiply
203,253.41x = 304,756.99 × 90,912.69 - Step 4: Simplify right side
203,253.41x = 27,706,277,529.92 - Step 5: Solve for x
x = 27,706,277,529.92/203,253.41 - Step 6: Final answer
x = 136,313.96
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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.