Finding the Fourth Proportional to 168,522.64, 252,713.82 and 68,615.08
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Solution
The fourth proportional to 168,522.64, 252,713.82 and 68,615.08 is: 102,894.06
Step by Step Solution
- Step 1: Write the proportion equation
168,522.64 : 252,713.82 = 68,615.08 : x - Step 2: Convert to fraction form
168,522.64/252,713.82 = 68,615.08/x - Step 3: Cross multiply
168,522.64x = 252,713.82 × 68,615.08 - Step 4: Simplify right side
168,522.64x = 17,339,978,976.41 - Step 5: Solve for x
x = 17,339,978,976.41/168,522.64 - Step 6: Final answer
x = 102,894.06
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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.