Finding the Fourth Proportional to 202,133.70, 303,450.15 and 127,253.70
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Solution
The fourth proportional to 202,133.70, 303,450.15 and 127,253.70 is: 191,037.69
Step by Step Solution
- Step 1: Write the proportion equation
202,133.70 : 303,450.15 = 127,253.70 : x - Step 2: Convert to fraction form
202,133.70/303,450.15 = 127,253.70/x - Step 3: Cross multiply
202,133.70x = 303,450.15 × 127,253.70 - Step 4: Simplify right side
202,133.70x = 38,615,154,353.06 - Step 5: Solve for x
x = 38,615,154,353.06/202,133.70 - Step 6: Final answer
x = 191,037.69
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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.