Finding the Fourth Proportional to 197,998.68, 273,250.62 and 108,574.68
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Solution
The fourth proportional to 197,998.68, 273,250.62 and 108,574.68 is: 149,839.88
Step by Step Solution
- Step 1: Write the proportion equation
197,998.68 : 273,250.62 = 108,574.68 : x - Step 2: Convert to fraction form
197,998.68/273,250.62 = 108,574.68/x - Step 3: Cross multiply
197,998.68x = 273,250.62 × 108,574.68 - Step 4: Simplify right side
197,998.68x = 29,668,098,626.30 - Step 5: Solve for x
x = 29,668,098,626.30/197,998.68 - Step 6: Final answer
x = 149,839.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.