Finding the Fourth Proportional to 207,266.93, 310,900.50 and 74,139.23
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Solution
The fourth proportional to 207,266.93, 310,900.50 and 74,139.23 is: 111,208.88
Step by Step Solution
- Step 1: Write the proportion equation
207,266.93 : 310,900.50 = 74,139.23 : x - Step 2: Convert to fraction form
207,266.93/310,900.50 = 74,139.23/x - Step 3: Cross multiply
207,266.93x = 310,900.50 × 74,139.23 - Step 4: Simplify right side
207,266.93x = 23,049,923,676.62 - Step 5: Solve for x
x = 23,049,923,676.62/207,266.93 - Step 6: Final answer
x = 111,208.88
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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.