Finding the Fourth Proportional to 103,154.30, 154,732.84 and 33,033.62
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Solution
The fourth proportional to 103,154.30, 154,732.84 and 33,033.62 is: 49,550.88
Step by Step Solution
- Step 1: Write the proportion equation
103,154.30 : 154,732.84 = 33,033.62 : x - Step 2: Convert to fraction form
103,154.30/154,732.84 = 33,033.62/x - Step 3: Cross multiply
103,154.30x = 154,732.84 × 33,033.62 - Step 4: Simplify right side
103,154.30x = 5,111,385,838.08 - Step 5: Solve for x
x = 5,111,385,838.08/103,154.30 - Step 6: Final answer
x = 49,550.88
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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.