Finding the Fourth Proportional to 168,258.09, 252,137.81 and 68,296.65
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Solution
The fourth proportional to 168,258.09, 252,137.81 and 68,296.65 is: 102,343.77
Step by Step Solution
- Step 1: Write the proportion equation
168,258.09 : 252,137.81 = 68,296.65 : x - Step 2: Convert to fraction form
168,258.09/252,137.81 = 68,296.65/x - Step 3: Cross multiply
168,258.09x = 252,137.81 × 68,296.65 - Step 4: Simplify right side
168,258.09x = 17,220,167,419.85 - Step 5: Solve for x
x = 17,220,167,419.85/168,258.09 - Step 6: Final answer
x = 102,343.77
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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.