Finding the Fourth Proportional to 204,330.81, 281,972.11 and 118,293.44
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Solution
The fourth proportional to 204,330.81, 281,972.11 and 118,293.44 is: 163,242.39
Step by Step Solution
- Step 1: Write the proportion equation
204,330.81 : 281,972.11 = 118,293.44 : x - Step 2: Convert to fraction form
204,330.81/281,972.11 = 118,293.44/x - Step 3: Cross multiply
204,330.81x = 281,972.11 × 118,293.44 - Step 4: Simplify right side
204,330.81x = 33,355,451,285.16 - Step 5: Solve for x
x = 33,355,451,285.16/204,330.81 - Step 6: Final answer
x = 163,242.39
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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.