Finding the Fourth Proportional to 203,785.62, 281,160.99 and 118,842.54
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Solution
The fourth proportional to 203,785.62, 281,160.99 and 118,842.54 is: 163,965.87
Step by Step Solution
- Step 1: Write the proportion equation
203,785.62 : 281,160.99 = 118,842.54 : x - Step 2: Convert to fraction form
203,785.62/281,160.99 = 118,842.54/x - Step 3: Cross multiply
203,785.62x = 281,160.99 × 118,842.54 - Step 4: Simplify right side
203,785.62x = 33,413,886,200.51 - Step 5: Solve for x
x = 33,413,886,200.51/203,785.62 - Step 6: Final answer
x = 163,965.87
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.