Finding the Fourth Proportional to 207,401.12, 311,166.26 and 74,282.53
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Solution
The fourth proportional to 207,401.12, 311,166.26 and 74,282.53 is: 111,446.92
Step by Step Solution
- Step 1: Write the proportion equation
207,401.12 : 311,166.26 = 74,282.53 : x - Step 2: Convert to fraction form
207,401.12/311,166.26 = 74,282.53/x - Step 3: Cross multiply
207,401.12x = 311,166.26 × 74,282.53 - Step 4: Simplify right side
207,401.12x = 23,114,216,451.23 - Step 5: Solve for x
x = 23,114,216,451.23/207,401.12 - Step 6: Final answer
x = 111,446.92
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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.