Finding the Fourth Proportional to 245,626.20, 368,439.26 and 68,133.21
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Solution
The fourth proportional to 245,626.20, 368,439.26 and 68,133.21 is: 102,199.80
Step by Step Solution
- Step 1: Write the proportion equation
245,626.20 : 368,439.26 = 68,133.21 : x - Step 2: Convert to fraction form
245,626.20/368,439.26 = 68,133.21/x - Step 3: Cross multiply
245,626.20x = 368,439.26 × 68,133.21 - Step 4: Simplify right side
245,626.20x = 25,102,949,473.82 - Step 5: Solve for x
x = 25,102,949,473.82/245,626.20 - Step 6: Final answer
x = 102,199.80
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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.