Finding the Fourth Proportional to 203,975.13, 281,258.68 and 139,454.84
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Solution
The fourth proportional to 203,975.13, 281,258.68 and 139,454.84 is: 192,292.48
Step by Step Solution
- Step 1: Write the proportion equation
203,975.13 : 281,258.68 = 139,454.84 : x - Step 2: Convert to fraction form
203,975.13/281,258.68 = 139,454.84/x - Step 3: Cross multiply
203,975.13x = 281,258.68 × 139,454.84 - Step 4: Simplify right side
203,975.13x = 39,222,883,863.50 - Step 5: Solve for x
x = 39,222,883,863.50/203,975.13 - Step 6: Final answer
x = 192,292.48
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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.