Finding the Fourth Proportional to 207,233.90, 310,850.84 and 57,474.19
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Solution
The fourth proportional to 207,233.90, 310,850.84 and 57,474.19 is: 86,211.28
Step by Step Solution
- Step 1: Write the proportion equation
207,233.90 : 310,850.84 = 57,474.19 : x - Step 2: Convert to fraction form
207,233.90/310,850.84 = 57,474.19/x - Step 3: Cross multiply
207,233.90x = 310,850.84 × 57,474.19 - Step 4: Simplify right side
207,233.90x = 17,865,900,121.43 - Step 5: Solve for x
x = 17,865,900,121.43/207,233.90 - Step 6: Final answer
x = 86,211.28
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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.