Finding the Fourth Proportional to 146,238.84, 219,330.56 and 71,283.68
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Solution
The fourth proportional to 146,238.84, 219,330.56 and 71,283.68 is: 106,912.02
Step by Step Solution
- Step 1: Write the proportion equation
146,238.84 : 219,330.56 = 71,283.68 : x - Step 2: Convert to fraction form
146,238.84/219,330.56 = 71,283.68/x - Step 3: Cross multiply
146,238.84x = 219,330.56 × 71,283.68 - Step 4: Simplify right side
146,238.84x = 15,634,689,453.26 - Step 5: Solve for x
x = 15,634,689,453.26/146,238.84 - Step 6: Final answer
x = 106,912.02
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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.