Finding the Fourth Proportional to 198,208.09, 273,527.88 and 107,564.03
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Solution
The fourth proportional to 198,208.09, 273,527.88 and 107,564.03 is: 148,438.75
Step by Step Solution
- Step 1: Write the proportion equation
198,208.09 : 273,527.88 = 107,564.03 : x - Step 2: Convert to fraction form
198,208.09/273,527.88 = 107,564.03/x - Step 3: Cross multiply
198,208.09x = 273,527.88 × 107,564.03 - Step 4: Simplify right side
198,208.09x = 29,421,761,090.16 - Step 5: Solve for x
x = 29,421,761,090.16/198,208.09 - Step 6: Final answer
x = 148,438.75
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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.