Finding the Fourth Proportional to 163,628.68, 245,414.22 and 43,687.12
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Solution
The fourth proportional to 163,628.68, 245,414.22 and 43,687.12 is: 65,522.99
Step by Step Solution
- Step 1: Write the proportion equation
163,628.68 : 245,414.22 = 43,687.12 : x - Step 2: Convert to fraction form
163,628.68/245,414.22 = 43,687.12/x - Step 3: Cross multiply
163,628.68x = 245,414.22 × 43,687.12 - Step 4: Simplify right side
163,628.68x = 10,721,440,478.85 - Step 5: Solve for x
x = 10,721,440,478.85/163,628.68 - Step 6: Final answer
x = 65,522.99
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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.