Finding the Fourth Proportional to 198,412.01, 273,810.58 and 107,769.74
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Solution
The fourth proportional to 198,412.01, 273,810.58 and 107,769.74 is: 148,723.33
Step by Step Solution
- Step 1: Write the proportion equation
198,412.01 : 273,810.58 = 107,769.74 : x - Step 2: Convert to fraction form
198,412.01/273,810.58 = 107,769.74/x - Step 3: Cross multiply
198,412.01x = 273,810.58 × 107,769.74 - Step 4: Simplify right side
198,412.01x = 29,508,494,917.56 - Step 5: Solve for x
x = 29,508,494,917.56/198,412.01 - Step 6: Final answer
x = 148,723.33
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1.5x scale
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.