Finding the Fourth Proportional to 102,982.19, 154,531.67 and 55,596.65
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Solution
The fourth proportional to 102,982.19, 154,531.67 and 55,596.65 is: 83,426.49
Step by Step Solution
- Step 1: Write the proportion equation
102,982.19 : 154,531.67 = 55,596.65 : x - Step 2: Convert to fraction form
102,982.19/154,531.67 = 55,596.65/x - Step 3: Cross multiply
102,982.19x = 154,531.67 × 55,596.65 - Step 4: Simplify right side
102,982.19x = 8,591,442,120.26 - Step 5: Solve for x
x = 8,591,442,120.26/102,982.19 - Step 6: Final answer
x = 83,426.49
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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.