Finding the Fourth Proportional to 201,420.87, 277,965.24 and 110,781.42
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Solution
The fourth proportional to 201,420.87, 277,965.24 and 110,781.42 is: 152,880.80
Step by Step Solution
- Step 1: Write the proportion equation
201,420.87 : 277,965.24 = 110,781.42 : x - Step 2: Convert to fraction form
201,420.87/277,965.24 = 110,781.42/x - Step 3: Cross multiply
201,420.87x = 277,965.24 × 110,781.42 - Step 4: Simplify right side
201,420.87x = 30,793,383,997.84 - Step 5: Solve for x
x = 30,793,383,997.84/201,420.87 - Step 6: Final answer
x = 152,880.80
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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.