Finding the Fourth Proportional to 197,451.13, 272,487.23 and 112,576.09
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Solution
The fourth proportional to 197,451.13, 272,487.23 and 112,576.09 is: 155,357.67
Step by Step Solution
- Step 1: Write the proportion equation
197,451.13 : 272,487.23 = 112,576.09 : x - Step 2: Convert to fraction form
197,451.13/272,487.23 = 112,576.09/x - Step 3: Cross multiply
197,451.13x = 272,487.23 × 112,576.09 - Step 4: Simplify right side
197,451.13x = 30,675,546,928.33 - Step 5: Solve for x
x = 30,675,546,928.33/197,451.13 - Step 6: Final answer
x = 155,357.67
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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.