Finding the Fourth Proportional to 201,101.34, 277,539.12 and 115,043.23
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Solution
The fourth proportional to 201,101.34, 277,539.12 and 115,043.23 is: 158,770.69
Step by Step Solution
- Step 1: Write the proportion equation
201,101.34 : 277,539.12 = 115,043.23 : x - Step 2: Convert to fraction form
201,101.34/277,539.12 = 115,043.23/x - Step 3: Cross multiply
201,101.34x = 277,539.12 × 115,043.23 - Step 4: Simplify right side
201,101.34x = 31,928,997,797.61 - Step 5: Solve for x
x = 31,928,997,797.61/201,101.34 - Step 6: Final answer
x = 158,770.69
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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.