Finding the Fourth Proportional to 199,453.70, 275,225.91 and 122,960.54
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Solution
The fourth proportional to 199,453.70, 275,225.91 and 122,960.54 is: 169,673.09
Step by Step Solution
- Step 1: Write the proportion equation
199,453.70 : 275,225.91 = 122,960.54 : x - Step 2: Convert to fraction form
199,453.70/275,225.91 = 122,960.54/x - Step 3: Cross multiply
199,453.70x = 275,225.91 × 122,960.54 - Step 4: Simplify right side
199,453.70x = 33,841,926,515.59 - Step 5: Solve for x
x = 33,841,926,515.59/199,453.70 - Step 6: Final answer
x = 169,673.09
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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.