Finding the Fourth Proportional to 198,313.99, 273,673.49 and 107,669.93
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Solution
The fourth proportional to 198,313.99, 273,673.49 and 107,669.93 is: 148,584.60
Step by Step Solution
- Step 1: Write the proportion equation
198,313.99 : 273,673.49 = 107,669.93 : x - Step 2: Convert to fraction form
198,313.99/273,673.49 = 107,669.93/x - Step 3: Cross multiply
198,313.99x = 273,673.49 × 107,669.93 - Step 4: Simplify right side
198,313.99x = 29,466,403,604.44 - Step 5: Solve for x
x = 29,466,403,604.44/198,313.99 - Step 6: Final answer
x = 148,584.60
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1.5x scale
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.