Finding the Fourth Proportional to 227,008.44, 313,121.66 and 141,977.88
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Solution
The fourth proportional to 227,008.44, 313,121.66 and 141,977.88 is: 195,835.66
Step by Step Solution
- Step 1: Write the proportion equation
227,008.44 : 313,121.66 = 141,977.88 : x - Step 2: Convert to fraction form
227,008.44/313,121.66 = 141,977.88/x - Step 3: Cross multiply
227,008.44x = 313,121.66 × 141,977.88 - Step 4: Simplify right side
227,008.44x = 44,456,348,758.99 - Step 5: Solve for x
x = 44,456,348,758.99/227,008.44 - Step 6: Final answer
x = 195,835.66
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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.