Finding the Fourth Proportional to 198,277.93, 273,509.01 and 126,577.14
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Solution
The fourth proportional to 198,277.93, 273,509.01 and 126,577.14 is: 174,603.34
Step by Step Solution
- Step 1: Write the proportion equation
198,277.93 : 273,509.01 = 126,577.14 : x - Step 2: Convert to fraction form
198,277.93/273,509.01 = 126,577.14/x - Step 3: Cross multiply
198,277.93x = 273,509.01 × 126,577.14 - Step 4: Simplify right side
198,277.93x = 34,619,988,250.03 - Step 5: Solve for x
x = 34,619,988,250.03/198,277.93 - Step 6: Final answer
x = 174,603.34
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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.