Finding the Fourth Proportional to 218,325.33, 301,325.63 and 126,431.19
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Solution
The fourth proportional to 218,325.33, 301,325.63 and 126,431.19 is: 174,496.28
Step by Step Solution
- Step 1: Write the proportion equation
218,325.33 : 301,325.63 = 126,431.19 : x - Step 2: Convert to fraction form
218,325.33/301,325.63 = 126,431.19/x - Step 3: Cross multiply
218,325.33x = 301,325.63 × 126,431.19 - Step 4: Simplify right side
218,325.33x = 38,096,957,346.24 - Step 5: Solve for x
x = 38,096,957,346.24/218,325.33 - Step 6: Final answer
x = 174,496.28
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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.