Finding the Fourth Proportional to 252,816.28, 348,961.26 and 145,461.92
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Solution
The fourth proportional to 252,816.28, 348,961.26 and 145,461.92 is: 200,780.48
Step by Step Solution
- Step 1: Write the proportion equation
252,816.28 : 348,961.26 = 145,461.92 : x - Step 2: Convert to fraction form
252,816.28/348,961.26 = 145,461.92/x - Step 3: Cross multiply
252,816.28x = 348,961.26 × 145,461.92 - Step 4: Simplify right side
252,816.28x = 50,760,573,140.41 - Step 5: Solve for x
x = 50,760,573,140.41/252,816.28 - Step 6: Final answer
x = 200,780.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.