Finding the Fourth Proportional to 168,568.23, 252,703.80 and 68,812.23
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Solution
The fourth proportional to 168,568.23, 252,703.80 and 68,812.23 is: 103,157.71
Step by Step Solution
- Step 1: Write the proportion equation
168,568.23 : 252,703.80 = 68,812.23 : x - Step 2: Convert to fraction form
168,568.23/252,703.80 = 68,812.23/x - Step 3: Cross multiply
168,568.23x = 252,703.80 × 68,812.23 - Step 4: Simplify right side
168,568.23x = 17,389,112,007.47 - Step 5: Solve for x
x = 17,389,112,007.47/168,568.23 - Step 6: Final answer
x = 103,157.71
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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.