Finding the Fourth Proportional to 198,267.28, 273,609.09 and 107,623.19
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Solution
The fourth proportional to 198,267.28, 273,609.09 and 107,623.19 is: 148,520.14
Step by Step Solution
- Step 1: Write the proportion equation
198,267.28 : 273,609.09 = 107,623.19 : x - Step 2: Convert to fraction form
198,267.28/273,609.09 = 107,623.19/x - Step 3: Cross multiply
198,267.28x = 273,609.09 × 107,623.19 - Step 4: Simplify right side
198,267.28x = 29,446,683,762.82 - Step 5: Solve for x
x = 29,446,683,762.82/198,267.28 - Step 6: Final answer
x = 148,520.14
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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.