Finding the Fourth Proportional to 198,541.71, 273,986.64 and 107,895.96
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Solution
The fourth proportional to 198,541.71, 273,986.64 and 107,895.96 is: 148,895.92
Step by Step Solution
- Step 1: Write the proportion equation
198,541.71 : 273,986.64 = 107,895.96 : x - Step 2: Convert to fraction form
198,541.71/273,986.64 = 107,895.96/x - Step 3: Cross multiply
198,541.71x = 273,986.64 × 107,895.96 - Step 4: Simplify right side
198,541.71x = 29,562,051,549.97 - Step 5: Solve for x
x = 29,562,051,549.97/198,541.71 - Step 6: Final answer
x = 148,895.92
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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.