Finding the Fourth Proportional to 193,896.67, 290,688.11 and 87,202.49
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Solution
The fourth proportional to 193,896.67, 290,688.11 and 87,202.49 is: 130,733.17
Step by Step Solution
- Step 1: Write the proportion equation
193,896.67 : 290,688.11 = 87,202.49 : x - Step 2: Convert to fraction form
193,896.67/290,688.11 = 87,202.49/x - Step 3: Cross multiply
193,896.67x = 290,688.11 × 87,202.49 - Step 4: Simplify right side
193,896.67x = 25,348,726,496.68 - Step 5: Solve for x
x = 25,348,726,496.68/193,896.67 - Step 6: Final answer
x = 130,733.17
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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.