Finding the Fourth Proportional to 168,873.10, 253,227.84 and 68,993.62
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Solution
The fourth proportional to 168,873.10, 253,227.84 and 68,993.62 is: 103,457.01
Step by Step Solution
- Step 1: Write the proportion equation
168,873.10 : 253,227.84 = 68,993.62 : x - Step 2: Convert to fraction form
168,873.10/253,227.84 = 68,993.62/x - Step 3: Cross multiply
168,873.10x = 253,227.84 × 68,993.62 - Step 4: Simplify right side
168,873.10x = 17,471,105,366.38 - Step 5: Solve for x
x = 17,471,105,366.38/168,873.10 - Step 6: Final answer
x = 103,457.01
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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.