Finding the Fourth Proportional to 145,867.46, 218,884.18 and 116,472.09
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Solution
The fourth proportional to 145,867.46, 218,884.18 and 116,472.09 is: 174,774.40
Step by Step Solution
- Step 1: Write the proportion equation
145,867.46 : 218,884.18 = 116,472.09 : x - Step 2: Convert to fraction form
145,867.46/218,884.18 = 116,472.09/x - Step 3: Cross multiply
145,867.46x = 218,884.18 × 116,472.09 - Step 4: Simplify right side
145,867.46x = 25,493,897,912.54 - Step 5: Solve for x
x = 25,493,897,912.54/145,867.46 - Step 6: Final answer
x = 174,774.40
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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.