Finding the Fourth Proportional to 245,626.76, 368,440.11 and 68,133.78
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Solution
The fourth proportional to 245,626.76, 368,440.11 and 68,133.78 is: 102,200.66
Step by Step Solution
- Step 1: Write the proportion equation
245,626.76 : 368,440.11 = 68,133.78 : x - Step 2: Convert to fraction form
245,626.76/368,440.11 = 68,133.78/x - Step 3: Cross multiply
245,626.76x = 368,440.11 × 68,133.78 - Step 4: Simplify right side
245,626.76x = 25,103,217,397.92 - Step 5: Solve for x
x = 25,103,217,397.92/245,626.76 - Step 6: Final answer
x = 102,200.66
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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.