Finding the Fourth Proportional to 108,246.40, 162,292.80 and 41,660.80
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Solution
The fourth proportional to 108,246.40, 162,292.80 and 41,660.80 is: 62,461.64
Step by Step Solution
- Step 1: Write the proportion equation
108,246.40 : 162,292.80 = 41,660.80 : x - Step 2: Convert to fraction form
108,246.40/162,292.80 = 41,660.80/x - Step 3: Cross multiply
108,246.40x = 162,292.80 × 41,660.80 - Step 4: Simplify right side
108,246.40x = 6,761,247,882.24 - Step 5: Solve for x
x = 6,761,247,882.24/108,246.40 - Step 6: Final answer
x = 62,461.64
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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.