Finding the Fourth Proportional to 201,432.80, 302,382.60 and 108,120.80
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Solution
The fourth proportional to 201,432.80, 302,382.60 and 108,120.80 is: 162,306.48
Step by Step Solution
- Step 1: Write the proportion equation
201,432.80 : 302,382.60 = 108,120.80 : x - Step 2: Convert to fraction form
201,432.80/302,382.60 = 108,120.80/x - Step 3: Cross multiply
201,432.80x = 302,382.60 × 108,120.80 - Step 4: Simplify right side
201,432.80x = 32,693,848,618.08 - Step 5: Solve for x
x = 32,693,848,618.08/201,432.80 - Step 6: Final answer
x = 162,306.48
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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.