Finding the Fourth Proportional to 201,257.62, 277,738.76 and 115,216.26
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Solution
The fourth proportional to 201,257.62, 277,738.76 and 115,216.26 is: 159,000.30
Step by Step Solution
- Step 1: Write the proportion equation
201,257.62 : 277,738.76 = 115,216.26 : x - Step 2: Convert to fraction form
201,257.62/277,738.76 = 115,216.26/x - Step 3: Cross multiply
201,257.62x = 277,738.76 × 115,216.26 - Step 4: Simplify right side
201,257.62x = 32,000,021,184.24 - Step 5: Solve for x
x = 32,000,021,184.24/201,257.62 - Step 6: Final answer
x = 159,000.30
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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.