Finding the Fourth Proportional to 198,304.98, 273,661.20 and 107,660.94
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Solution
The fourth proportional to 198,304.98, 273,661.20 and 107,660.94 is: 148,572.28
Step by Step Solution
- Step 1: Write the proportion equation
198,304.98 : 273,661.20 = 107,660.94 : x - Step 2: Convert to fraction form
198,304.98/273,661.20 = 107,660.94/x - Step 3: Cross multiply
198,304.98x = 273,661.20 × 107,660.94 - Step 4: Simplify right side
198,304.98x = 29,462,622,033.53 - Step 5: Solve for x
x = 29,462,622,033.53/198,304.98 - Step 6: Final answer
x = 148,572.28
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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.