Finding the Fourth Proportional to 201,241.62, 277,652.82 and 120,639.74
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Solution
The fourth proportional to 201,241.62, 277,652.82 and 120,639.74 is: 166,446.50
Step by Step Solution
- Step 1: Write the proportion equation
201,241.62 : 277,652.82 = 120,639.74 : x - Step 2: Convert to fraction form
201,241.62/277,652.82 = 120,639.74/x - Step 3: Cross multiply
201,241.62x = 277,652.82 × 120,639.74 - Step 4: Simplify right side
201,241.62x = 33,495,964,015.07 - Step 5: Solve for x
x = 33,495,964,015.07/201,241.62 - Step 6: Final answer
x = 166,446.50
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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.