Finding the Fourth Proportional to 207,348.10, 310,997.63 and 122,010.14
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Solution
The fourth proportional to 207,348.10, 310,997.63 and 122,010.14 is: 183,000.79
Step by Step Solution
- Step 1: Write the proportion equation
207,348.10 : 310,997.63 = 122,010.14 : x - Step 2: Convert to fraction form
207,348.10/310,997.63 = 122,010.14/x - Step 3: Cross multiply
207,348.10x = 310,997.63 × 122,010.14 - Step 4: Simplify right side
207,348.10x = 37,944,865,458.49 - Step 5: Solve for x
x = 37,944,865,458.49/207,348.10 - Step 6: Final answer
x = 183,000.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.