Finding the Fourth Proportional to 207,284.80, 310,408.80 and 165,812.80
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Solution
The fourth proportional to 207,284.80, 310,408.80 and 165,812.80 is: 248,304.52
Step by Step Solution
- Step 1: Write the proportion equation
207,284.80 : 310,408.80 = 165,812.80 : x - Step 2: Convert to fraction form
207,284.80/310,408.80 = 165,812.80/x - Step 3: Cross multiply
207,284.80x = 310,408.80 × 165,812.80 - Step 4: Simplify right side
207,284.80x = 51,469,752,272.64 - Step 5: Solve for x
x = 51,469,752,272.64/207,284.80 - Step 6: Final answer
x = 248,304.52
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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.