Finding the Fourth Proportional to 201,241.75, 277,652.99 and 120,639.87
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Solution
The fourth proportional to 201,241.75, 277,652.99 and 120,639.87 is: 166,446.68
Step by Step Solution
- Step 1: Write the proportion equation
201,241.75 : 277,652.99 = 120,639.87 : x - Step 2: Convert to fraction form
201,241.75/277,652.99 = 120,639.87/x - Step 3: Cross multiply
201,241.75x = 277,652.99 × 120,639.87 - Step 4: Simplify right side
201,241.75x = 33,496,020,618.71 - Step 5: Solve for x
x = 33,496,020,618.71/201,241.75 - Step 6: Final answer
x = 166,446.68
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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.