Finding the Fourth Proportional to 201,290.82, 277,781.91 and 115,251.12
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Solution
The fourth proportional to 201,290.82, 277,781.91 and 115,251.12 is: 159,046.88
Step by Step Solution
- Step 1: Write the proportion equation
201,290.82 : 277,781.91 = 115,251.12 : x - Step 2: Convert to fraction form
201,290.82/277,781.91 = 115,251.12/x - Step 3: Cross multiply
201,290.82x = 277,781.91 × 115,251.12 - Step 4: Simplify right side
201,290.82x = 32,014,676,243.24 - Step 5: Solve for x
x = 32,014,676,243.24/201,290.82 - Step 6: Final answer
x = 159,046.88
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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.